Home / 1,048,053.40-1,570,719.30-485,891.80

Finding the Fourth Proportional to 1,048,053.40, 1,570,719.30 and 485,891.80

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Solution

The fourth proportional to 1,048,053.40, 1,570,719.30 and 485,891.80 is: 728,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,053.40 : 1,570,719.30 = 485,891.80 : x
  2. Step 2: Convert to fraction form
    1,048,053.40/1,570,719.30 = 485,891.80/x
  3. Step 3: Cross multiply
    1,048,053.40x = 1,570,719.30 × 485,891.80
  4. Step 4: Simplify right side
    1,048,053.40x = 763,199,627,971.74
  5. Step 5: Solve for x
    x = 763,199,627,971.74/1,048,053.40
  6. Step 6: Final answer
    x = 728,206.81

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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.