Home / 1,527,978.49-2,290,543.21-516,393.12

Finding the Fourth Proportional to 1,527,978.49, 2,290,543.21 and 516,393.12

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Solution

The fourth proportional to 1,527,978.49, 2,290,543.21 and 516,393.12 is: 774,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,978.49 : 2,290,543.21 = 516,393.12 : x
  2. Step 2: Convert to fraction form
    1,527,978.49/2,290,543.21 = 516,393.12/x
  3. Step 3: Cross multiply
    1,527,978.49x = 2,290,543.21 × 516,393.12
  4. Step 4: Simplify right side
    1,527,978.49x = 1,182,820,754,706.72
  5. Step 5: Solve for x
    x = 1,182,820,754,706.72/1,527,978.49
  6. Step 6: Final answer
    x = 774,108.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.