Home / 1,201,503.20-1,803,275.40-492,040.40

Finding the Fourth Proportional to 1,201,503.20, 1,803,275.40 and 492,040.40

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Solution

The fourth proportional to 1,201,503.20, 1,803,275.40 and 492,040.40 is: 738,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,503.20 : 1,803,275.40 = 492,040.40 : x
  2. Step 2: Convert to fraction form
    1,201,503.20/1,803,275.40 = 492,040.40/x
  3. Step 3: Cross multiply
    1,201,503.20x = 1,803,275.40 × 492,040.40
  4. Step 4: Simplify right side
    1,201,503.20x = 887,284,349,126.16
  5. Step 5: Solve for x
    x = 887,284,349,126.16/1,201,503.20
  6. Step 6: Final answer
    x = 738,478.56

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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.