Home / 1,385,058.40-2,079,337.20-745,871.20

Finding the Fourth Proportional to 1,385,058.40, 2,079,337.20 and 745,871.20

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Solution

The fourth proportional to 1,385,058.40, 2,079,337.20 and 745,871.20 is: 1,119,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,058.40 : 2,079,337.20 = 745,871.20 : x
  2. Step 2: Convert to fraction form
    1,385,058.40/2,079,337.20 = 745,871.20/x
  3. Step 3: Cross multiply
    1,385,058.40x = 2,079,337.20 × 745,871.20
  4. Step 4: Simplify right side
    1,385,058.40x = 1,550,917,732,568.64
  5. Step 5: Solve for x
    x = 1,550,917,732,568.64/1,385,058.40
  6. Step 6: Final answer
    x = 1,119,748.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.