Home / 948,935.20-1,421,329.20-736,909.60

Finding the Fourth Proportional to 948,935.20, 1,421,329.20 and 736,909.60

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Solution

The fourth proportional to 948,935.20, 1,421,329.20 and 736,909.60 is: 1,103,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,935.20 : 1,421,329.20 = 736,909.60 : x
  2. Step 2: Convert to fraction form
    948,935.20/1,421,329.20 = 736,909.60/x
  3. Step 3: Cross multiply
    948,935.20x = 1,421,329.20 × 736,909.60
  4. Step 4: Simplify right side
    948,935.20x = 1,047,391,132,240.32
  5. Step 5: Solve for x
    x = 1,047,391,132,240.32/948,935.20
  6. Step 6: Final answer
    x = 1,103,754.12

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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.