Home / 1,041,219.72-1,562,070.16-442,200.42

Finding the Fourth Proportional to 1,041,219.72, 1,562,070.16 and 442,200.42

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Solution

The fourth proportional to 1,041,219.72, 1,562,070.16 and 442,200.42 is: 663,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,219.72 : 1,562,070.16 = 442,200.42 : x
  2. Step 2: Convert to fraction form
    1,041,219.72/1,562,070.16 = 442,200.42/x
  3. Step 3: Cross multiply
    1,041,219.72x = 1,562,070.16 × 442,200.42
  4. Step 4: Simplify right side
    1,041,219.72x = 690,748,080,821.47
  5. Step 5: Solve for x
    x = 690,748,080,821.47/1,041,219.72
  6. Step 6: Final answer
    x = 663,402.80

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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.