Home / 1,393,012.48-1,921,542.76-875,948.04

Finding the Fourth Proportional to 1,393,012.48, 1,921,542.76 and 875,948.04

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Solution

The fourth proportional to 1,393,012.48, 1,921,542.76 and 875,948.04 is: 1,208,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,012.48 : 1,921,542.76 = 875,948.04 : x
  2. Step 2: Convert to fraction form
    1,393,012.48/1,921,542.76 = 875,948.04/x
  3. Step 3: Cross multiply
    1,393,012.48x = 1,921,542.76 × 875,948.04
  4. Step 4: Simplify right side
    1,393,012.48x = 1,683,171,614,398.19
  5. Step 5: Solve for x
    x = 1,683,171,614,398.19/1,393,012.48
  6. Step 6: Final answer
    x = 1,208,296.15

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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.