Home / 1,258,962.13-1,737,365.11-686,000.94

Finding the Fourth Proportional to 1,258,962.13, 1,737,365.11 and 686,000.94

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Solution

The fourth proportional to 1,258,962.13, 1,737,365.11 and 686,000.94 is: 946,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,962.13 : 1,737,365.11 = 686,000.94 : x
  2. Step 2: Convert to fraction form
    1,258,962.13/1,737,365.11 = 686,000.94/x
  3. Step 3: Cross multiply
    1,258,962.13x = 1,737,365.11 × 686,000.94
  4. Step 4: Simplify right side
    1,258,962.13x = 1,191,834,098,583.20
  5. Step 5: Solve for x
    x = 1,191,834,098,583.20/1,258,962.13
  6. Step 6: Final answer
    x = 946,679.86

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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.