Home / 1,105,612.12-1,658,427.46-306,955.94

Finding the Fourth Proportional to 1,105,612.12, 1,658,427.46 and 306,955.94

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Solution

The fourth proportional to 1,105,612.12, 1,658,427.46 and 306,955.94 is: 460,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,612.12 : 1,658,427.46 = 306,955.94 : x
  2. Step 2: Convert to fraction form
    1,105,612.12/1,658,427.46 = 306,955.94/x
  3. Step 3: Cross multiply
    1,105,612.12x = 1,658,427.46 × 306,955.94
  4. Step 4: Simplify right side
    1,105,612.12x = 509,064,159,906.11
  5. Step 5: Solve for x
    x = 509,064,159,906.11/1,105,612.12
  6. Step 6: Final answer
    x = 460,436.49

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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.