Home / 1,500,249.16-2,070,400.98-855,774.28

Finding the Fourth Proportional to 1,500,249.16, 2,070,400.98 and 855,774.28

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Solution

The fourth proportional to 1,500,249.16, 2,070,400.98 and 855,774.28 is: 1,181,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,249.16 : 2,070,400.98 = 855,774.28 : x
  2. Step 2: Convert to fraction form
    1,500,249.16/2,070,400.98 = 855,774.28/x
  3. Step 3: Cross multiply
    1,500,249.16x = 2,070,400.98 × 855,774.28
  4. Step 4: Simplify right side
    1,500,249.16x = 1,771,795,907,970.79
  5. Step 5: Solve for x
    x = 1,771,795,907,970.79/1,500,249.16
  6. Step 6: Final answer
    x = 1,181,001.10

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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.