Home / 1,139,147.55-1,708,405.02-340,239.69

Finding the Fourth Proportional to 1,139,147.55, 1,708,405.02 and 340,239.69

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Solution

The fourth proportional to 1,139,147.55, 1,708,405.02 and 340,239.69 is: 510,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,147.55 : 1,708,405.02 = 340,239.69 : x
  2. Step 2: Convert to fraction form
    1,139,147.55/1,708,405.02 = 340,239.69/x
  3. Step 3: Cross multiply
    1,139,147.55x = 1,708,405.02 × 340,239.69
  4. Step 4: Simplify right side
    1,139,147.55x = 581,267,194,399.24
  5. Step 5: Solve for x
    x = 581,267,194,399.24/1,139,147.55
  6. Step 6: Final answer
    x = 510,265.06

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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.