Home / 948,748.80-1,423,123.20-906,758.40

Finding the Fourth Proportional to 948,748.80, 1,423,123.20 and 906,758.40

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Solution

The fourth proportional to 948,748.80, 1,423,123.20 and 906,758.40 is: 1,360,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,748.80 : 1,423,123.20 = 906,758.40 : x
  2. Step 2: Convert to fraction form
    948,748.80/1,423,123.20 = 906,758.40/x
  3. Step 3: Cross multiply
    948,748.80x = 1,423,123.20 × 906,758.40
  4. Step 4: Simplify right side
    948,748.80x = 1,290,428,915,834.88
  5. Step 5: Solve for x
    x = 1,290,428,915,834.88/948,748.80
  6. Step 6: Final answer
    x = 1,360,137.60

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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.