Home / 1,001,145.28-1,381,679.58-571,490.02

Finding the Fourth Proportional to 1,001,145.28, 1,381,679.58 and 571,490.02

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Solution

The fourth proportional to 1,001,145.28, 1,381,679.58 and 571,490.02 is: 788,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,145.28 : 1,381,679.58 = 571,490.02 : x
  2. Step 2: Convert to fraction form
    1,001,145.28/1,381,679.58 = 571,490.02/x
  3. Step 3: Cross multiply
    1,001,145.28x = 1,381,679.58 × 571,490.02
  4. Step 4: Simplify right side
    1,001,145.28x = 789,616,090,807.79
  5. Step 5: Solve for x
    x = 789,616,090,807.79/1,001,145.28
  6. Step 6: Final answer
    x = 788,712.79

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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.