Home / 1,752,402.80-2,418,437.32-978,184.28

Finding the Fourth Proportional to 1,752,402.80, 2,418,437.32 and 978,184.28

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Solution

The fourth proportional to 1,752,402.80, 2,418,437.32 and 978,184.28 is: 1,349,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,402.80 : 2,418,437.32 = 978,184.28 : x
  2. Step 2: Convert to fraction form
    1,752,402.80/2,418,437.32 = 978,184.28/x
  3. Step 3: Cross multiply
    1,752,402.80x = 2,418,437.32 × 978,184.28
  4. Step 4: Simplify right side
    1,752,402.80x = 2,365,677,354,051.68
  5. Step 5: Solve for x
    x = 2,365,677,354,051.68/1,752,402.80
  6. Step 6: Final answer
    x = 1,349,962.10

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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.