Home / 1,525,505.40-2,285,633.70-992,752.20

Finding the Fourth Proportional to 1,525,505.40, 2,285,633.70 and 992,752.20

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Solution

The fourth proportional to 1,525,505.40, 2,285,633.70 and 992,752.20 is: 1,487,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,505.40 : 2,285,633.70 = 992,752.20 : x
  2. Step 2: Convert to fraction form
    1,525,505.40/2,285,633.70 = 992,752.20/x
  3. Step 3: Cross multiply
    1,525,505.40x = 2,285,633.70 × 992,752.20
  4. Step 4: Simplify right side
    1,525,505.40x = 2,269,067,884,069.14
  5. Step 5: Solve for x
    x = 2,269,067,884,069.14/1,525,505.40
  6. Step 6: Final answer
    x = 1,487,420.42

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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.