Home / 1,200,541.20-1,800,814.70-490,569.18

Finding the Fourth Proportional to 1,200,541.20, 1,800,814.70 and 490,569.18

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Solution

The fourth proportional to 1,200,541.20, 1,800,814.70 and 490,569.18 is: 735,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,541.20 : 1,800,814.70 = 490,569.18 : x
  2. Step 2: Convert to fraction form
    1,200,541.20/1,800,814.70 = 490,569.18/x
  3. Step 3: Cross multiply
    1,200,541.20x = 1,800,814.70 × 490,569.18
  4. Step 4: Simplify right side
    1,200,541.20x = 883,424,190,710.95
  5. Step 5: Solve for x
    x = 883,424,190,710.95/1,200,541.20
  6. Step 6: Final answer
    x = 735,854.96

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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.