Home / 948,941.20-1,421,338.20-736,915.60

Finding the Fourth Proportional to 948,941.20, 1,421,338.20 and 736,915.60

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Solution

The fourth proportional to 948,941.20, 1,421,338.20 and 736,915.60 is: 1,103,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,941.20 : 1,421,338.20 = 736,915.60 : x
  2. Step 2: Convert to fraction form
    948,941.20/1,421,338.20 = 736,915.60/x
  3. Step 3: Cross multiply
    948,941.20x = 1,421,338.20 × 736,915.60
  4. Step 4: Simplify right side
    948,941.20x = 1,047,406,292,455.92
  5. Step 5: Solve for x
    x = 1,047,406,292,455.92/948,941.20
  6. Step 6: Final answer
    x = 1,103,763.11

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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.