Home / 1,005,612.85-1,508,419.28-580,460.05

Finding the Fourth Proportional to 1,005,612.85, 1,508,419.28 and 580,460.05

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Solution

The fourth proportional to 1,005,612.85, 1,508,419.28 and 580,460.05 is: 870,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,612.85 : 1,508,419.28 = 580,460.05 : x
  2. Step 2: Convert to fraction form
    1,005,612.85/1,508,419.28 = 580,460.05/x
  3. Step 3: Cross multiply
    1,005,612.85x = 1,508,419.28 × 580,460.05
  4. Step 4: Simplify right side
    1,005,612.85x = 875,577,127,787.46
  5. Step 5: Solve for x
    x = 875,577,127,787.46/1,005,612.85
  6. Step 6: Final answer
    x = 870,690.08

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.