Home / 1,506,334.32-2,078,732.97-817,999.56

Finding the Fourth Proportional to 1,506,334.32, 2,078,732.97 and 817,999.56

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Solution

The fourth proportional to 1,506,334.32, 2,078,732.97 and 817,999.56 is: 1,128,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,334.32 : 2,078,732.97 = 817,999.56 : x
  2. Step 2: Convert to fraction form
    1,506,334.32/2,078,732.97 = 817,999.56/x
  3. Step 3: Cross multiply
    1,506,334.32x = 2,078,732.97 × 817,999.56
  4. Step 4: Simplify right side
    1,506,334.32x = 1,700,402,654,817.49
  5. Step 5: Solve for x
    x = 1,700,402,654,817.49/1,506,334.32
  6. Step 6: Final answer
    x = 1,128,834.84

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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.