Home / 1,525,218.29-2,104,987.89-880,637.40

Finding the Fourth Proportional to 1,525,218.29, 2,104,987.89 and 880,637.40

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Solution

The fourth proportional to 1,525,218.29, 2,104,987.89 and 880,637.40 is: 1,215,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,218.29 : 2,104,987.89 = 880,637.40 : x
  2. Step 2: Convert to fraction form
    1,525,218.29/2,104,987.89 = 880,637.40/x
  3. Step 3: Cross multiply
    1,525,218.29x = 2,104,987.89 × 880,637.40
  4. Step 4: Simplify right side
    1,525,218.29x = 1,853,731,062,481.09
  5. Step 5: Solve for x
    x = 1,853,731,062,481.09/1,525,218.29
  6. Step 6: Final answer
    x = 1,215,387.38

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1.5x scale

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.