Home / 1,127,638.16-1,556,957.32-725,930

Finding the Fourth Proportional to 1,127,638.16, 1,556,957.32 and 725,930

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Solution

The fourth proportional to 1,127,638.16, 1,556,957.32 and 725,930 is: 1,002,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,638.16 : 1,556,957.32 = 725,930 : x
  2. Step 2: Convert to fraction form
    1,127,638.16/1,556,957.32 = 725,930/x
  3. Step 3: Cross multiply
    1,127,638.16x = 1,556,957.32 × 725,930
  4. Step 4: Simplify right side
    1,127,638.16x = 1,130,242,027,307.60
  5. Step 5: Solve for x
    x = 1,130,242,027,307.60/1,127,638.16
  6. Step 6: Final answer
    x = 1,002,309.13

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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.