Home / 1,296,068.40-1,944,102.60-918,154.80

Finding the Fourth Proportional to 1,296,068.40, 1,944,102.60 and 918,154.80

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Solution

The fourth proportional to 1,296,068.40, 1,944,102.60 and 918,154.80 is: 1,377,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,068.40 : 1,944,102.60 = 918,154.80 : x
  2. Step 2: Convert to fraction form
    1,296,068.40/1,944,102.60 = 918,154.80/x
  3. Step 3: Cross multiply
    1,296,068.40x = 1,944,102.60 × 918,154.80
  4. Step 4: Simplify right side
    1,296,068.40x = 1,784,987,133,882.48
  5. Step 5: Solve for x
    x = 1,784,987,133,882.48/1,296,068.40
  6. Step 6: Final answer
    x = 1,377,232.20

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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.