Home / 1,578,003.60-2,365,693.20-830,049.60

Finding the Fourth Proportional to 1,578,003.60, 2,365,693.20 and 830,049.60

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Solution

The fourth proportional to 1,578,003.60, 2,365,693.20 and 830,049.60 is: 1,244,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,003.60 : 2,365,693.20 = 830,049.60 : x
  2. Step 2: Convert to fraction form
    1,578,003.60/2,365,693.20 = 830,049.60/x
  3. Step 3: Cross multiply
    1,578,003.60x = 2,365,693.20 × 830,049.60
  4. Step 4: Simplify right side
    1,578,003.60x = 1,963,642,694,382.72
  5. Step 5: Solve for x
    x = 1,963,642,694,382.72/1,578,003.60
  6. Step 6: Final answer
    x = 1,244,384.17

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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.