Home / 1,078,411.60-1,617,034.20-447,389.20

Finding the Fourth Proportional to 1,078,411.60, 1,617,034.20 and 447,389.20

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Solution

The fourth proportional to 1,078,411.60, 1,617,034.20 and 447,389.20 is: 670,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,411.60 : 1,617,034.20 = 447,389.20 : x
  2. Step 2: Convert to fraction form
    1,078,411.60/1,617,034.20 = 447,389.20/x
  3. Step 3: Cross multiply
    1,078,411.60x = 1,617,034.20 × 447,389.20
  4. Step 4: Simplify right side
    1,078,411.60x = 723,443,637,110.64
  5. Step 5: Solve for x
    x = 723,443,637,110.64/1,078,411.60
  6. Step 6: Final answer
    x = 670,841.85

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Double scale
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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.