Home / 1,187,488.20-1,781,232.30-346,067.40

Finding the Fourth Proportional to 1,187,488.20, 1,781,232.30 and 346,067.40

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Solution

The fourth proportional to 1,187,488.20, 1,781,232.30 and 346,067.40 is: 519,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,488.20 : 1,781,232.30 = 346,067.40 : x
  2. Step 2: Convert to fraction form
    1,187,488.20/1,781,232.30 = 346,067.40/x
  3. Step 3: Cross multiply
    1,187,488.20x = 1,781,232.30 × 346,067.40
  4. Step 4: Simplify right side
    1,187,488.20x = 616,426,430,857.02
  5. Step 5: Solve for x
    x = 616,426,430,857.02/1,187,488.20
  6. Step 6: Final answer
    x = 519,101.10

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1.5x scale

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.