Home / 1,158,869.15-1,599,209.93-642,614.82

Finding the Fourth Proportional to 1,158,869.15, 1,599,209.93 and 642,614.82

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Solution

The fourth proportional to 1,158,869.15, 1,599,209.93 and 642,614.82 is: 886,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,869.15 : 1,599,209.93 = 642,614.82 : x
  2. Step 2: Convert to fraction form
    1,158,869.15/1,599,209.93 = 642,614.82/x
  3. Step 3: Cross multiply
    1,158,869.15x = 1,599,209.93 × 642,614.82
  4. Step 4: Simplify right side
    1,158,869.15x = 1,027,676,002,915.70
  5. Step 5: Solve for x
    x = 1,027,676,002,915.70/1,158,869.15
  6. Step 6: Final answer
    x = 886,792.09

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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.