Home / 1,525,121.13-2,287,280.75-724,810.35

Finding the Fourth Proportional to 1,525,121.13, 2,287,280.75 and 724,810.35

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Solution

The fourth proportional to 1,525,121.13, 2,287,280.75 and 724,810.35 is: 1,087,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,121.13 : 2,287,280.75 = 724,810.35 : x
  2. Step 2: Convert to fraction form
    1,525,121.13/2,287,280.75 = 724,810.35/x
  3. Step 3: Cross multiply
    1,525,121.13x = 2,287,280.75 × 724,810.35
  4. Step 4: Simplify right side
    1,525,121.13x = 1,657,844,757,331.71
  5. Step 5: Solve for x
    x = 1,657,844,757,331.71/1,525,121.13
  6. Step 6: Final answer
    x = 1,087,024.97

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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.