Home / 1,580,152.78-2,180,604.81-855,001.90

Finding the Fourth Proportional to 1,580,152.78, 2,180,604.81 and 855,001.90

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Solution

The fourth proportional to 1,580,152.78, 2,180,604.81 and 855,001.90 is: 1,179,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,152.78 : 2,180,604.81 = 855,001.90 : x
  2. Step 2: Convert to fraction form
    1,580,152.78/2,180,604.81 = 855,001.90/x
  3. Step 3: Cross multiply
    1,580,152.78x = 2,180,604.81 × 855,001.90
  4. Step 4: Simplify right side
    1,580,152.78x = 1,864,421,255,699.14
  5. Step 5: Solve for x
    x = 1,864,421,255,699.14/1,580,152.78
  6. Step 6: Final answer
    x = 1,179,899.36

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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.