Home / 1,237,948.48-1,708,672.80-754,780

Finding the Fourth Proportional to 1,237,948.48, 1,708,672.80 and 754,780

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Solution

The fourth proportional to 1,237,948.48, 1,708,672.80 and 754,780 is: 1,041,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,948.48 : 1,708,672.80 = 754,780 : x
  2. Step 2: Convert to fraction form
    1,237,948.48/1,708,672.80 = 754,780/x
  3. Step 3: Cross multiply
    1,237,948.48x = 1,708,672.80 × 754,780
  4. Step 4: Simplify right side
    1,237,948.48x = 1,289,672,055,984
  5. Step 5: Solve for x
    x = 1,289,672,055,984/1,237,948.48
  6. Step 6: Final answer
    x = 1,041,781.69

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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.