Home / 1,225,691.16-1,690,989.48-760,329.96

Finding the Fourth Proportional to 1,225,691.16, 1,690,989.48 and 760,329.96

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Solution

The fourth proportional to 1,225,691.16, 1,690,989.48 and 760,329.96 is: 1,048,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,691.16 : 1,690,989.48 = 760,329.96 : x
  2. Step 2: Convert to fraction form
    1,225,691.16/1,690,989.48 = 760,329.96/x
  3. Step 3: Cross multiply
    1,225,691.16x = 1,690,989.48 × 760,329.96
  4. Step 4: Simplify right side
    1,225,691.16x = 1,285,709,963,688.82
  5. Step 5: Solve for x
    x = 1,285,709,963,688.82/1,225,691.16
  6. Step 6: Final answer
    x = 1,048,967.31

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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.