Home / 1,187,634.40-1,781,278.80-346,098.40

Finding the Fourth Proportional to 1,187,634.40, 1,781,278.80 and 346,098.40

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Solution

The fourth proportional to 1,187,634.40, 1,781,278.80 and 346,098.40 is: 519,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,634.40 : 1,781,278.80 = 346,098.40 : x
  2. Step 2: Convert to fraction form
    1,187,634.40/1,781,278.80 = 346,098.40/x
  3. Step 3: Cross multiply
    1,187,634.40x = 1,781,278.80 × 346,098.40
  4. Step 4: Simplify right side
    1,187,634.40x = 616,497,742,633.92
  5. Step 5: Solve for x
    x = 616,497,742,633.92/1,187,634.40
  6. Step 6: Final answer
    x = 519,097.24

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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.