Home / 1,201,510.20-1,803,285.90-492,047.40

Finding the Fourth Proportional to 1,201,510.20, 1,803,285.90 and 492,047.40

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Solution

The fourth proportional to 1,201,510.20, 1,803,285.90 and 492,047.40 is: 738,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,510.20 : 1,803,285.90 = 492,047.40 : x
  2. Step 2: Convert to fraction form
    1,201,510.20/1,803,285.90 = 492,047.40/x
  3. Step 3: Cross multiply
    1,201,510.20x = 1,803,285.90 × 492,047.40
  4. Step 4: Simplify right side
    1,201,510.20x = 887,302,138,551.66
  5. Step 5: Solve for x
    x = 887,302,138,551.66/1,201,510.20
  6. Step 6: Final answer
    x = 738,489.06

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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.