Home / 1,395,223.52-1,924,085.76-912,202.70

Finding the Fourth Proportional to 1,395,223.52, 1,924,085.76 and 912,202.70

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Solution

The fourth proportional to 1,395,223.52, 1,924,085.76 and 912,202.70 is: 1,257,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,223.52 : 1,924,085.76 = 912,202.70 : x
  2. Step 2: Convert to fraction form
    1,395,223.52/1,924,085.76 = 912,202.70/x
  3. Step 3: Cross multiply
    1,395,223.52x = 1,924,085.76 × 912,202.70
  4. Step 4: Simplify right side
    1,395,223.52x = 1,755,156,225,303.55
  5. Step 5: Solve for x
    x = 1,755,156,225,303.55/1,395,223.52
  6. Step 6: Final answer
    x = 1,257,974.94

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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.