Home / 1,506,458.34-2,078,905.41-818,125.38

Finding the Fourth Proportional to 1,506,458.34, 2,078,905.41 and 818,125.38

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Solution

The fourth proportional to 1,506,458.34, 2,078,905.41 and 818,125.38 is: 1,129,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,458.34 : 2,078,905.41 = 818,125.38 : x
  2. Step 2: Convert to fraction form
    1,506,458.34/2,078,905.41 = 818,125.38/x
  3. Step 3: Cross multiply
    1,506,458.34x = 2,078,905.41 × 818,125.38
  4. Step 4: Simplify right side
    1,506,458.34x = 1,700,805,278,540.31
  5. Step 5: Solve for x
    x = 1,700,805,278,540.31/1,506,458.34
  6. Step 6: Final answer
    x = 1,129,009.17

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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.