Home / 1,146,387.23-1,581,980.18-656,340.48

Finding the Fourth Proportional to 1,146,387.23, 1,581,980.18 and 656,340.48

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Solution

The fourth proportional to 1,146,387.23, 1,581,980.18 and 656,340.48 is: 905,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,387.23 : 1,581,980.18 = 656,340.48 : x
  2. Step 2: Convert to fraction form
    1,146,387.23/1,581,980.18 = 656,340.48/x
  3. Step 3: Cross multiply
    1,146,387.23x = 1,581,980.18 × 656,340.48
  4. Step 4: Simplify right side
    1,146,387.23x = 1,038,317,627,409.98
  5. Step 5: Solve for x
    x = 1,038,317,627,409.98/1,146,387.23
  6. Step 6: Final answer
    x = 905,730.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.