Home / 1,577,115.40-2,364,377.10-679,246.60

Finding the Fourth Proportional to 1,577,115.40, 2,364,377.10 and 679,246.60

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Solution

The fourth proportional to 1,577,115.40, 2,364,377.10 and 679,246.60 is: 1,018,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,115.40 : 2,364,377.10 = 679,246.60 : x
  2. Step 2: Convert to fraction form
    1,577,115.40/2,364,377.10 = 679,246.60/x
  3. Step 3: Cross multiply
    1,577,115.40x = 2,364,377.10 × 679,246.60
  4. Step 4: Simplify right side
    1,577,115.40x = 1,605,995,106,292.86
  5. Step 5: Solve for x
    x = 1,605,995,106,292.86/1,577,115.40
  6. Step 6: Final answer
    x = 1,018,311.73

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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.