Home / 1,159,938.76-1,600,732.91-643,726.10

Finding the Fourth Proportional to 1,159,938.76, 1,600,732.91 and 643,726.10

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Solution

The fourth proportional to 1,159,938.76, 1,600,732.91 and 643,726.10 is: 888,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,938.76 : 1,600,732.91 = 643,726.10 : x
  2. Step 2: Convert to fraction form
    1,159,938.76/1,600,732.91 = 643,726.10/x
  3. Step 3: Cross multiply
    1,159,938.76x = 1,600,732.91 × 643,726.10
  4. Step 4: Simplify right side
    1,159,938.76x = 1,030,433,547,627.78
  5. Step 5: Solve for x
    x = 1,030,433,547,627.78/1,159,938.76
  6. Step 6: Final answer
    x = 888,351.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.