Home / 1,442,158.83-1,990,098.24-788,654.87

Finding the Fourth Proportional to 1,442,158.83, 1,990,098.24 and 788,654.87

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Solution

The fourth proportional to 1,442,158.83, 1,990,098.24 and 788,654.87 is: 1,088,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,158.83 : 1,990,098.24 = 788,654.87 : x
  2. Step 2: Convert to fraction form
    1,442,158.83/1,990,098.24 = 788,654.87/x
  3. Step 3: Cross multiply
    1,442,158.83x = 1,990,098.24 × 788,654.87
  4. Step 4: Simplify right side
    1,442,158.83x = 1,569,500,662,728.87
  5. Step 5: Solve for x
    x = 1,569,500,662,728.87/1,442,158.83
  6. Step 6: Final answer
    x = 1,088,299.45

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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.