Home / 866,730.90-1,298,541.15-742,314.90

Finding the Fourth Proportional to 866,730.90, 1,298,541.15 and 742,314.90

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Solution

The fourth proportional to 866,730.90, 1,298,541.15 and 742,314.90 is: 1,112,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,730.90 : 1,298,541.15 = 742,314.90 : x
  2. Step 2: Convert to fraction form
    866,730.90/1,298,541.15 = 742,314.90/x
  3. Step 3: Cross multiply
    866,730.90x = 1,298,541.15 × 742,314.90
  4. Step 4: Simplify right side
    866,730.90x = 963,926,443,908.14
  5. Step 5: Solve for x
    x = 963,926,443,908.14/866,730.90
  6. Step 6: Final answer
    x = 1,112,140.39

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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.