Home / 1,688,034.40-2,532,055.72-425,862.04

Finding the Fourth Proportional to 1,688,034.40, 2,532,055.72 and 425,862.04

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Solution

The fourth proportional to 1,688,034.40, 2,532,055.72 and 425,862.04 is: 638,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,034.40 : 2,532,055.72 = 425,862.04 : x
  2. Step 2: Convert to fraction form
    1,688,034.40/2,532,055.72 = 425,862.04/x
  3. Step 3: Cross multiply
    1,688,034.40x = 2,532,055.72 × 425,862.04
  4. Step 4: Simplify right side
    1,688,034.40x = 1,078,306,414,312.87
  5. Step 5: Solve for x
    x = 1,078,306,414,312.87/1,688,034.40
  6. Step 6: Final answer
    x = 638,794.10

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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.