Home / 1,514,931.60-2,091,363.12-942,156.32

Finding the Fourth Proportional to 1,514,931.60, 2,091,363.12 and 942,156.32

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Solution

The fourth proportional to 1,514,931.60, 2,091,363.12 and 942,156.32 is: 1,300,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,931.60 : 2,091,363.12 = 942,156.32 : x
  2. Step 2: Convert to fraction form
    1,514,931.60/2,091,363.12 = 942,156.32/x
  3. Step 3: Cross multiply
    1,514,931.60x = 2,091,363.12 × 942,156.32
  4. Step 4: Simplify right side
    1,514,931.60x = 1,970,390,980,922.92
  5. Step 5: Solve for x
    x = 1,970,390,980,922.92/1,514,931.60
  6. Step 6: Final answer
    x = 1,300,646.83

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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.