Home / 688,165.40-1,032,248.10-688,165.40

Finding the Fourth Proportional to 688,165.40, 1,032,248.10 and 688,165.40

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Solution

The fourth proportional to 688,165.40, 1,032,248.10 and 688,165.40 is: 1,032,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,165.40 : 1,032,248.10 = 688,165.40 : x
  2. Step 2: Convert to fraction form
    688,165.40/1,032,248.10 = 688,165.40/x
  3. Step 3: Cross multiply
    688,165.40x = 1,032,248.10 × 688,165.40
  4. Step 4: Simplify right side
    688,165.40x = 710,357,426,635.74
  5. Step 5: Solve for x
    x = 710,357,426,635.74/688,165.40
  6. Step 6: Final answer
    x = 1,032,248.10

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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.