Home / 1,127,092.28-1,690,656.89-328,417.70

Finding the Fourth Proportional to 1,127,092.28, 1,690,656.89 and 328,417.70

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Solution

The fourth proportional to 1,127,092.28, 1,690,656.89 and 328,417.70 is: 492,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,092.28 : 1,690,656.89 = 328,417.70 : x
  2. Step 2: Convert to fraction form
    1,127,092.28/1,690,656.89 = 328,417.70/x
  3. Step 3: Cross multiply
    1,127,092.28x = 1,690,656.89 × 328,417.70
  4. Step 4: Simplify right side
    1,127,092.28x = 555,241,637,207.58
  5. Step 5: Solve for x
    x = 555,241,637,207.58/1,127,092.28
  6. Step 6: Final answer
    x = 492,631.93

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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.