Home / 1,208,219.13-1,667,596.08-766,407.93

Finding the Fourth Proportional to 1,208,219.13, 1,667,596.08 and 766,407.93

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Solution

The fourth proportional to 1,208,219.13, 1,667,596.08 and 766,407.93 is: 1,057,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,219.13 : 1,667,596.08 = 766,407.93 : x
  2. Step 2: Convert to fraction form
    1,208,219.13/1,667,596.08 = 766,407.93/x
  3. Step 3: Cross multiply
    1,208,219.13x = 1,667,596.08 × 766,407.93
  4. Step 4: Simplify right side
    1,208,219.13x = 1,278,058,859,748.91
  5. Step 5: Solve for x
    x = 1,278,058,859,748.91/1,208,219.13
  6. Step 6: Final answer
    x = 1,057,803.86

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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.