Home / 900,161.40-1,348,686.90-760,193.40

Finding the Fourth Proportional to 900,161.40, 1,348,686.90 and 760,193.40

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Solution

The fourth proportional to 900,161.40, 1,348,686.90 and 760,193.40 is: 1,138,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,161.40 : 1,348,686.90 = 760,193.40 : x
  2. Step 2: Convert to fraction form
    900,161.40/1,348,686.90 = 760,193.40/x
  3. Step 3: Cross multiply
    900,161.40x = 1,348,686.90 × 760,193.40
  4. Step 4: Simplify right side
    900,161.40x = 1,025,262,880,046.46
  5. Step 5: Solve for x
    x = 1,025,262,880,046.46/900,161.40
  6. Step 6: Final answer
    x = 1,138,976.72

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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.