Home / 1,247,463.76-1,871,397.60-488,894

Finding the Fourth Proportional to 1,247,463.76, 1,871,397.60 and 488,894

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Solution

The fourth proportional to 1,247,463.76, 1,871,397.60 and 488,894 is: 733,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,463.76 : 1,871,397.60 = 488,894 : x
  2. Step 2: Convert to fraction form
    1,247,463.76/1,871,397.60 = 488,894/x
  3. Step 3: Cross multiply
    1,247,463.76x = 1,871,397.60 × 488,894
  4. Step 4: Simplify right side
    1,247,463.76x = 914,915,058,254.40
  5. Step 5: Solve for x
    x = 914,915,058,254.40/1,247,463.76
  6. Step 6: Final answer
    x = 733,420.15

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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.