Home / 1,124,535.30-1,551,838.82-688,884.90

Finding the Fourth Proportional to 1,124,535.30, 1,551,838.82 and 688,884.90

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Solution

The fourth proportional to 1,124,535.30, 1,551,838.82 and 688,884.90 is: 950,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,535.30 : 1,551,838.82 = 688,884.90 : x
  2. Step 2: Convert to fraction form
    1,124,535.30/1,551,838.82 = 688,884.90/x
  3. Step 3: Cross multiply
    1,124,535.30x = 1,551,838.82 × 688,884.90
  4. Step 4: Simplify right side
    1,124,535.30x = 1,069,038,326,887.39
  5. Step 5: Solve for x
    x = 1,069,038,326,887.39/1,124,535.30
  6. Step 6: Final answer
    x = 950,648.97

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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.