Home / 1,012,342.90-1,397,039.52-553,458.46

Finding the Fourth Proportional to 1,012,342.90, 1,397,039.52 and 553,458.46

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Solution

The fourth proportional to 1,012,342.90, 1,397,039.52 and 553,458.46 is: 763,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,342.90 : 1,397,039.52 = 553,458.46 : x
  2. Step 2: Convert to fraction form
    1,012,342.90/1,397,039.52 = 553,458.46/x
  3. Step 3: Cross multiply
    1,012,342.90x = 1,397,039.52 × 553,458.46
  4. Step 4: Simplify right side
    1,012,342.90x = 773,203,341,298.34
  5. Step 5: Solve for x
    x = 773,203,341,298.34/1,012,342.90
  6. Step 6: Final answer
    x = 763,776.13

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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.