Home / 1,274,572.80-1,760,486.40-934,502.40

Finding the Fourth Proportional to 1,274,572.80, 1,760,486.40 and 934,502.40

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Solution

The fourth proportional to 1,274,572.80, 1,760,486.40 and 934,502.40 is: 1,290,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,572.80 : 1,760,486.40 = 934,502.40 : x
  2. Step 2: Convert to fraction form
    1,274,572.80/1,760,486.40 = 934,502.40/x
  3. Step 3: Cross multiply
    1,274,572.80x = 1,760,486.40 × 934,502.40
  4. Step 4: Simplify right side
    1,274,572.80x = 1,645,178,765,967.36
  5. Step 5: Solve for x
    x = 1,645,178,765,967.36/1,274,572.80
  6. Step 6: Final answer
    x = 1,290,768.77

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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.