Home / 1,180,838.20-1,772,132.10-471,375.40

Finding the Fourth Proportional to 1,180,838.20, 1,772,132.10 and 471,375.40

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Solution

The fourth proportional to 1,180,838.20, 1,772,132.10 and 471,375.40 is: 707,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,838.20 : 1,772,132.10 = 471,375.40 : x
  2. Step 2: Convert to fraction form
    1,180,838.20/1,772,132.10 = 471,375.40/x
  3. Step 3: Cross multiply
    1,180,838.20x = 1,772,132.10 × 471,375.40
  4. Step 4: Simplify right side
    1,180,838.20x = 835,339,477,490.34
  5. Step 5: Solve for x
    x = 835,339,477,490.34/1,180,838.20
  6. Step 6: Final answer
    x = 707,412.31

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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.