Home / 1,261,201.28-1,740,510.03-717,432.86

Finding the Fourth Proportional to 1,261,201.28, 1,740,510.03 and 717,432.86

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Solution

The fourth proportional to 1,261,201.28, 1,740,510.03 and 717,432.86 is: 990,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,201.28 : 1,740,510.03 = 717,432.86 : x
  2. Step 2: Convert to fraction form
    1,261,201.28/1,740,510.03 = 717,432.86/x
  3. Step 3: Cross multiply
    1,261,201.28x = 1,740,510.03 × 717,432.86
  4. Step 4: Simplify right side
    1,261,201.28x = 1,248,699,088,681.59
  5. Step 5: Solve for x
    x = 1,248,699,088,681.59/1,261,201.28
  6. Step 6: Final answer
    x = 990,087.08

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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.