Home / 1,158,405.40-1,736,340.90-410,066.20

Finding the Fourth Proportional to 1,158,405.40, 1,736,340.90 and 410,066.20

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Solution

The fourth proportional to 1,158,405.40, 1,736,340.90 and 410,066.20 is: 614,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,405.40 : 1,736,340.90 = 410,066.20 : x
  2. Step 2: Convert to fraction form
    1,158,405.40/1,736,340.90 = 410,066.20/x
  3. Step 3: Cross multiply
    1,158,405.40x = 1,736,340.90 × 410,066.20
  4. Step 4: Simplify right side
    1,158,405.40x = 712,014,714,767.58
  5. Step 5: Solve for x
    x = 712,014,714,767.58/1,158,405.40
  6. Step 6: Final answer
    x = 614,650.72

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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.