Home / 1,254,686.86-1,731,442.93-681,731.16

Finding the Fourth Proportional to 1,254,686.86, 1,731,442.93 and 681,731.16

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Solution

The fourth proportional to 1,254,686.86, 1,731,442.93 and 681,731.16 is: 940,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,686.86 : 1,731,442.93 = 681,731.16 : x
  2. Step 2: Convert to fraction form
    1,254,686.86/1,731,442.93 = 681,731.16/x
  3. Step 3: Cross multiply
    1,254,686.86x = 1,731,442.93 × 681,731.16
  4. Step 4: Simplify right side
    1,254,686.86x = 1,180,378,597,142.70
  5. Step 5: Solve for x
    x = 1,180,378,597,142.70/1,254,686.86
  6. Step 6: Final answer
    x = 940,775.45

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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.