Home / 1,039,345.40-1,559,061.84-329,401.46

Finding the Fourth Proportional to 1,039,345.40, 1,559,061.84 and 329,401.46

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Solution

The fourth proportional to 1,039,345.40, 1,559,061.84 and 329,401.46 is: 494,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,345.40 : 1,559,061.84 = 329,401.46 : x
  2. Step 2: Convert to fraction form
    1,039,345.40/1,559,061.84 = 329,401.46/x
  3. Step 3: Cross multiply
    1,039,345.40x = 1,559,061.84 × 329,401.46
  4. Step 4: Simplify right side
    1,039,345.40x = 513,557,246,326.29
  5. Step 5: Solve for x
    x = 513,557,246,326.29/1,039,345.40
  6. Step 6: Final answer
    x = 494,116.05

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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.