Home / 1,039,732.84-1,559,748.02-320,135.42

Finding the Fourth Proportional to 1,039,732.84, 1,559,748.02 and 320,135.42

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Solution

The fourth proportional to 1,039,732.84, 1,559,748.02 and 320,135.42 is: 480,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,732.84 : 1,559,748.02 = 320,135.42 : x
  2. Step 2: Convert to fraction form
    1,039,732.84/1,559,748.02 = 320,135.42/x
  3. Step 3: Cross multiply
    1,039,732.84x = 1,559,748.02 × 320,135.42
  4. Step 4: Simplify right side
    1,039,732.84x = 499,330,587,476.87
  5. Step 5: Solve for x
    x = 499,330,587,476.87/1,039,732.84
  6. Step 6: Final answer
    x = 480,248.93

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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.