Home / 1,204,702.07-1,662,458.45-688,423.15

Finding the Fourth Proportional to 1,204,702.07, 1,662,458.45 and 688,423.15

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Solution

The fourth proportional to 1,204,702.07, 1,662,458.45 and 688,423.15 is: 950,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,702.07 : 1,662,458.45 = 688,423.15 : x
  2. Step 2: Convert to fraction form
    1,204,702.07/1,662,458.45 = 688,423.15/x
  3. Step 3: Cross multiply
    1,204,702.07x = 1,662,458.45 × 688,423.15
  4. Step 4: Simplify right side
    1,204,702.07x = 1,144,474,875,294.86
  5. Step 5: Solve for x
    x = 1,144,474,875,294.86/1,204,702.07
  6. Step 6: Final answer
    x = 950,006.56

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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.