Home / 1,580,464.76-2,181,041.57-855,312.66

Finding the Fourth Proportional to 1,580,464.76, 2,181,041.57 and 855,312.66

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Solution

The fourth proportional to 1,580,464.76, 2,181,041.57 and 855,312.66 is: 1,180,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,464.76 : 2,181,041.57 = 855,312.66 : x
  2. Step 2: Convert to fraction form
    1,580,464.76/2,181,041.57 = 855,312.66/x
  3. Step 3: Cross multiply
    1,580,464.76x = 2,181,041.57 × 855,312.66
  4. Step 4: Simplify right side
    1,580,464.76x = 1,865,472,466,807.28
  5. Step 5: Solve for x
    x = 1,865,472,466,807.28/1,580,464.76
  6. Step 6: Final answer
    x = 1,180,331.58

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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.