Home / 1,525,301.74-2,287,965.72-388,065.22

Finding the Fourth Proportional to 1,525,301.74, 2,287,965.72 and 388,065.22

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Solution

The fourth proportional to 1,525,301.74, 2,287,965.72 and 388,065.22 is: 582,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,301.74 : 2,287,965.72 = 388,065.22 : x
  2. Step 2: Convert to fraction form
    1,525,301.74/2,287,965.72 = 388,065.22/x
  3. Step 3: Cross multiply
    1,525,301.74x = 2,287,965.72 × 388,065.22
  4. Step 4: Simplify right side
    1,525,301.74x = 887,879,920,484.26
  5. Step 5: Solve for x
    x = 887,879,920,484.26/1,525,301.74
  6. Step 6: Final answer
    x = 582,101.17

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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.