Home / 862,119.40-1,293,002.46-542,124.52

Finding the Fourth Proportional to 862,119.40, 1,293,002.46 and 542,124.52

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Solution

The fourth proportional to 862,119.40, 1,293,002.46 and 542,124.52 is: 813,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,119.40 : 1,293,002.46 = 542,124.52 : x
  2. Step 2: Convert to fraction form
    862,119.40/1,293,002.46 = 542,124.52/x
  3. Step 3: Cross multiply
    862,119.40x = 1,293,002.46 × 542,124.52
  4. Step 4: Simplify right side
    862,119.40x = 700,968,337,986.32
  5. Step 5: Solve for x
    x = 700,968,337,986.32/862,119.40
  6. Step 6: Final answer
    x = 813,075.70

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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.