Home / 1,011,523.70-1,517,344-380,442.98

Finding the Fourth Proportional to 1,011,523.70, 1,517,344 and 380,442.98

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Solution

The fourth proportional to 1,011,523.70, 1,517,344 and 380,442.98 is: 570,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,523.70 : 1,517,344 = 380,442.98 : x
  2. Step 2: Convert to fraction form
    1,011,523.70/1,517,344 = 380,442.98/x
  3. Step 3: Cross multiply
    1,011,523.70x = 1,517,344 × 380,442.98
  4. Step 4: Simplify right side
    1,011,523.70x = 577,262,873,045.12
  5. Step 5: Solve for x
    x = 577,262,873,045.12/1,011,523.70
  6. Step 6: Final answer
    x = 570,686.45

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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.