Home / 1,395,223.02-1,924,085.07-912,202.20

Finding the Fourth Proportional to 1,395,223.02, 1,924,085.07 and 912,202.20

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Solution

The fourth proportional to 1,395,223.02, 1,924,085.07 and 912,202.20 is: 1,257,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,223.02 : 1,924,085.07 = 912,202.20 : x
  2. Step 2: Convert to fraction form
    1,395,223.02/1,924,085.07 = 912,202.20/x
  3. Step 3: Cross multiply
    1,395,223.02x = 1,924,085.07 × 912,202.20
  4. Step 4: Simplify right side
    1,395,223.02x = 1,755,154,633,841.15
  5. Step 5: Solve for x
    x = 1,755,154,633,841.15/1,395,223.02
  6. Step 6: Final answer
    x = 1,257,974.25

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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.