Home / 1,506,572.12-2,079,084.54-818,257.42

Finding the Fourth Proportional to 1,506,572.12, 2,079,084.54 and 818,257.42

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Solution

The fourth proportional to 1,506,572.12, 2,079,084.54 and 818,257.42 is: 1,129,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,572.12 : 2,079,084.54 = 818,257.42 : x
  2. Step 2: Convert to fraction form
    1,506,572.12/2,079,084.54 = 818,257.42/x
  3. Step 3: Cross multiply
    1,506,572.12x = 2,079,084.54 × 818,257.42
  4. Step 4: Simplify right side
    1,506,572.12x = 1,701,226,351,156.57
  5. Step 5: Solve for x
    x = 1,701,226,351,156.57/1,506,572.12
  6. Step 6: Final answer
    x = 1,129,203.39

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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.