Home / 987,411.60-1,480,096.80-537,181.20

Finding the Fourth Proportional to 987,411.60, 1,480,096.80 and 537,181.20

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Solution

The fourth proportional to 987,411.60, 1,480,096.80 and 537,181.20 is: 805,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,411.60 : 1,480,096.80 = 537,181.20 : x
  2. Step 2: Convert to fraction form
    987,411.60/1,480,096.80 = 537,181.20/x
  3. Step 3: Cross multiply
    987,411.60x = 1,480,096.80 × 537,181.20
  4. Step 4: Simplify right side
    987,411.60x = 795,080,175,140.16
  5. Step 5: Solve for x
    x = 795,080,175,140.16/987,411.60
  6. Step 6: Final answer
    x = 805,216.56

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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.