Home / 986,772.30-1,480,741.65-719,861.10

Finding the Fourth Proportional to 986,772.30, 1,480,741.65 and 719,861.10

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Solution

The fourth proportional to 986,772.30, 1,480,741.65 and 719,861.10 is: 1,080,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,772.30 : 1,480,741.65 = 719,861.10 : x
  2. Step 2: Convert to fraction form
    986,772.30/1,480,741.65 = 719,861.10/x
  3. Step 3: Cross multiply
    986,772.30x = 1,480,741.65 × 719,861.10
  4. Step 4: Simplify right side
    986,772.30x = 1,065,928,312,984.82
  5. Step 5: Solve for x
    x = 1,065,928,312,984.82/986,772.30
  6. Step 6: Final answer
    x = 1,080,217.10

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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.