Home / 1,478,008.57-2,039,302.85-833,304.21

Finding the Fourth Proportional to 1,478,008.57, 2,039,302.85 and 833,304.21

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Solution

The fourth proportional to 1,478,008.57, 2,039,302.85 and 833,304.21 is: 1,149,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,008.57 : 2,039,302.85 = 833,304.21 : x
  2. Step 2: Convert to fraction form
    1,478,008.57/2,039,302.85 = 833,304.21/x
  3. Step 3: Cross multiply
    1,478,008.57x = 2,039,302.85 × 833,304.21
  4. Step 4: Simplify right side
    1,478,008.57x = 1,699,359,645,587.10
  5. Step 5: Solve for x
    x = 1,699,359,645,587.10/1,478,008.57
  6. Step 6: Final answer
    x = 1,149,763.05

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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.