Home / 1,057,639.10-1,585,875.45-425,839.10

Finding the Fourth Proportional to 1,057,639.10, 1,585,875.45 and 425,839.10

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Solution

The fourth proportional to 1,057,639.10, 1,585,875.45 and 425,839.10 is: 638,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,639.10 : 1,585,875.45 = 425,839.10 : x
  2. Step 2: Convert to fraction form
    1,057,639.10/1,585,875.45 = 425,839.10/x
  3. Step 3: Cross multiply
    1,057,639.10x = 1,585,875.45 × 425,839.10
  4. Step 4: Simplify right side
    1,057,639.10x = 675,327,774,340.10
  5. Step 5: Solve for x
    x = 675,327,774,340.10/1,057,639.10
  6. Step 6: Final answer
    x = 638,523.84

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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.