Home / 1,078,482.32-1,488,844.91-670,715.52

Finding the Fourth Proportional to 1,078,482.32, 1,488,844.91 and 670,715.52

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Solution

The fourth proportional to 1,078,482.32, 1,488,844.91 and 670,715.52 is: 925,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,482.32 : 1,488,844.91 = 670,715.52 : x
  2. Step 2: Convert to fraction form
    1,078,482.32/1,488,844.91 = 670,715.52/x
  3. Step 3: Cross multiply
    1,078,482.32x = 1,488,844.91 × 670,715.52
  4. Step 4: Simplify right side
    1,078,482.32x = 998,591,389,686.79
  5. Step 5: Solve for x
    x = 998,591,389,686.79/1,078,482.32
  6. Step 6: Final answer
    x = 925,922.82

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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.