Home / 1,254,959.54-1,731,663.85-738,406.34

Finding the Fourth Proportional to 1,254,959.54, 1,731,663.85 and 738,406.34

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Solution

The fourth proportional to 1,254,959.54, 1,731,663.85 and 738,406.34 is: 1,018,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,959.54 : 1,731,663.85 = 738,406.34 : x
  2. Step 2: Convert to fraction form
    1,254,959.54/1,731,663.85 = 738,406.34/x
  3. Step 3: Cross multiply
    1,254,959.54x = 1,731,663.85 × 738,406.34
  4. Step 4: Simplify right side
    1,254,959.54x = 1,278,671,553,238.46
  5. Step 5: Solve for x
    x = 1,278,671,553,238.46/1,254,959.54
  6. Step 6: Final answer
    x = 1,018,894.65

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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.