Home / 1,525,261.79-2,105,048.05-880,680.60

Finding the Fourth Proportional to 1,525,261.79, 2,105,048.05 and 880,680.60

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Solution

The fourth proportional to 1,525,261.79, 2,105,048.05 and 880,680.60 is: 1,215,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,261.79 : 2,105,048.05 = 880,680.60 : x
  2. Step 2: Convert to fraction form
    1,525,261.79/2,105,048.05 = 880,680.60/x
  3. Step 3: Cross multiply
    1,525,261.79x = 2,105,048.05 × 880,680.60
  4. Step 4: Simplify right side
    1,525,261.79x = 1,853,874,977,501.13
  5. Step 5: Solve for x
    x = 1,853,874,977,501.13/1,525,261.79
  6. Step 6: Final answer
    x = 1,215,447.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.