Home / 1,040,748.80-1,559,308.80-478,630.40

Finding the Fourth Proportional to 1,040,748.80, 1,559,308.80 and 478,630.40

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Solution

The fourth proportional to 1,040,748.80, 1,559,308.80 and 478,630.40 is: 717,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,748.80 : 1,559,308.80 = 478,630.40 : x
  2. Step 2: Convert to fraction form
    1,040,748.80/1,559,308.80 = 478,630.40/x
  3. Step 3: Cross multiply
    1,040,748.80x = 1,559,308.80 × 478,630.40
  4. Step 4: Simplify right side
    1,040,748.80x = 746,332,594,667.52
  5. Step 5: Solve for x
    x = 746,332,594,667.52/1,040,748.80
  6. Step 6: Final answer
    x = 717,111.17

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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.