Home / 1,580,271.90-2,180,760.03-855,103.74

Finding the Fourth Proportional to 1,580,271.90, 2,180,760.03 and 855,103.74

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Solution

The fourth proportional to 1,580,271.90, 2,180,760.03 and 855,103.74 is: 1,180,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,271.90 : 2,180,760.03 = 855,103.74 : x
  2. Step 2: Convert to fraction form
    1,580,271.90/2,180,760.03 = 855,103.74/x
  3. Step 3: Cross multiply
    1,580,271.90x = 2,180,760.03 × 855,103.74
  4. Step 4: Simplify right side
    1,580,271.90x = 1,864,776,057,695.51
  5. Step 5: Solve for x
    x = 1,864,776,057,695.51/1,580,271.90
  6. Step 6: Final answer
    x = 1,180,034.94

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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.