Home / 742,772.66-1,112,341.92-670,887.08

Finding the Fourth Proportional to 742,772.66, 1,112,341.92 and 670,887.08

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Solution

The fourth proportional to 742,772.66, 1,112,341.92 and 670,887.08 is: 1,004,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,772.66 : 1,112,341.92 = 670,887.08 : x
  2. Step 2: Convert to fraction form
    742,772.66/1,112,341.92 = 670,887.08/x
  3. Step 3: Cross multiply
    742,772.66x = 1,112,341.92 × 670,887.08
  4. Step 4: Simplify right side
    742,772.66x = 746,255,822,670.39
  5. Step 5: Solve for x
    x = 746,255,822,670.39/742,772.66
  6. Step 6: Final answer
    x = 1,004,689.41

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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.