Home / 881,431.20-1,323,750.60-771,206.40

Finding the Fourth Proportional to 881,431.20, 1,323,750.60 and 771,206.40

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Solution

The fourth proportional to 881,431.20, 1,323,750.60 and 771,206.40 is: 1,158,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,431.20 : 1,323,750.60 = 771,206.40 : x
  2. Step 2: Convert to fraction form
    881,431.20/1,323,750.60 = 771,206.40/x
  3. Step 3: Cross multiply
    881,431.20x = 1,323,750.60 × 771,206.40
  4. Step 4: Simplify right side
    881,431.20x = 1,020,884,934,723.84
  5. Step 5: Solve for x
    x = 1,020,884,934,723.84/881,431.20
  6. Step 6: Final answer
    x = 1,158,212.84

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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.