Home / 1,242,437.63-1,714,578.53-752,398.38

Finding the Fourth Proportional to 1,242,437.63, 1,714,578.53 and 752,398.38

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Solution

The fourth proportional to 1,242,437.63, 1,714,578.53 and 752,398.38 is: 1,038,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,437.63 : 1,714,578.53 = 752,398.38 : x
  2. Step 2: Convert to fraction form
    1,242,437.63/1,714,578.53 = 752,398.38/x
  3. Step 3: Cross multiply
    1,242,437.63x = 1,714,578.53 × 752,398.38
  4. Step 4: Simplify right side
    1,242,437.63x = 1,290,046,104,592.79
  5. Step 5: Solve for x
    x = 1,290,046,104,592.79/1,242,437.63
  6. Step 6: Final answer
    x = 1,038,318.61

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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.