Home / 1,248,935.20-1,723,572.32-765,406.91

Finding the Fourth Proportional to 1,248,935.20, 1,723,572.32 and 765,406.91

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Solution

The fourth proportional to 1,248,935.20, 1,723,572.32 and 765,406.91 is: 1,056,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,935.20 : 1,723,572.32 = 765,406.91 : x
  2. Step 2: Convert to fraction form
    1,248,935.20/1,723,572.32 = 765,406.91/x
  3. Step 3: Cross multiply
    1,248,935.20x = 1,723,572.32 × 765,406.91
  4. Step 4: Simplify right side
    1,248,935.20x = 1,319,234,164,094.63
  5. Step 5: Solve for x
    x = 1,319,234,164,094.63/1,248,935.20
  6. Step 6: Final answer
    x = 1,056,287.12

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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.