Home / 1,053,384.60-1,579,040.10-520,987.80

Finding the Fourth Proportional to 1,053,384.60, 1,579,040.10 and 520,987.80

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Solution

The fourth proportional to 1,053,384.60, 1,579,040.10 and 520,987.80 is: 780,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,384.60 : 1,579,040.10 = 520,987.80 : x
  2. Step 2: Convert to fraction form
    1,053,384.60/1,579,040.10 = 520,987.80/x
  3. Step 3: Cross multiply
    1,053,384.60x = 1,579,040.10 × 520,987.80
  4. Step 4: Simplify right side
    1,053,384.60x = 822,660,627,810.78
  5. Step 5: Solve for x
    x = 822,660,627,810.78/1,053,384.60
  6. Step 6: Final answer
    x = 780,968.91

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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.