Home / 1,155,211.20-1,731,650.40-524,577.60

Finding the Fourth Proportional to 1,155,211.20, 1,731,650.40 and 524,577.60

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Solution

The fourth proportional to 1,155,211.20, 1,731,650.40 and 524,577.60 is: 786,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,211.20 : 1,731,650.40 = 524,577.60 : x
  2. Step 2: Convert to fraction form
    1,155,211.20/1,731,650.40 = 524,577.60/x
  3. Step 3: Cross multiply
    1,155,211.20x = 1,731,650.40 × 524,577.60
  4. Step 4: Simplify right side
    1,155,211.20x = 908,385,010,871.04
  5. Step 5: Solve for x
    x = 908,385,010,871.04/1,155,211.20
  6. Step 6: Final answer
    x = 786,336.74

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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.