Home / 1,490,634.60-2,235,951.90-1,154,711.40

Finding the Fourth Proportional to 1,490,634.60, 2,235,951.90 and 1,154,711.40

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Solution

The fourth proportional to 1,490,634.60, 2,235,951.90 and 1,154,711.40 is: 1,732,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,634.60 : 2,235,951.90 = 1,154,711.40 : x
  2. Step 2: Convert to fraction form
    1,490,634.60/2,235,951.90 = 1,154,711.40/x
  3. Step 3: Cross multiply
    1,490,634.60x = 2,235,951.90 × 1,154,711.40
  4. Step 4: Simplify right side
    1,490,634.60x = 2,581,879,148,781.66
  5. Step 5: Solve for x
    x = 2,581,879,148,781.66/1,490,634.60
  6. Step 6: Final answer
    x = 1,732,067.10

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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.