Home / 1,153,555.15-1,729,395.96-480,140.52

Finding the Fourth Proportional to 1,153,555.15, 1,729,395.96 and 480,140.52

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Solution

The fourth proportional to 1,153,555.15, 1,729,395.96 and 480,140.52 is: 719,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,555.15 : 1,729,395.96 = 480,140.52 : x
  2. Step 2: Convert to fraction form
    1,153,555.15/1,729,395.96 = 480,140.52/x
  3. Step 3: Cross multiply
    1,153,555.15x = 1,729,395.96 × 480,140.52
  4. Step 4: Simplify right side
    1,153,555.15x = 830,353,073,119.60
  5. Step 5: Solve for x
    x = 830,353,073,119.60/1,153,555.15
  6. Step 6: Final answer
    x = 719,820.87

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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.