Home / 688,637.90-1,032,956.85-688,637.90

Finding the Fourth Proportional to 688,637.90, 1,032,956.85 and 688,637.90

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Solution

The fourth proportional to 688,637.90, 1,032,956.85 and 688,637.90 is: 1,032,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,637.90 : 1,032,956.85 = 688,637.90 : x
  2. Step 2: Convert to fraction form
    688,637.90/1,032,956.85 = 688,637.90/x
  3. Step 3: Cross multiply
    688,637.90x = 1,032,956.85 × 688,637.90
  4. Step 4: Simplify right side
    688,637.90x = 711,333,235,974.62
  5. Step 5: Solve for x
    x = 711,333,235,974.62/688,637.90
  6. Step 6: Final answer
    x = 1,032,956.85

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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.