Home / 1,580,371.93-2,180,913.27-855,219.66

Finding the Fourth Proportional to 1,580,371.93, 2,180,913.27 and 855,219.66

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Solution

The fourth proportional to 1,580,371.93, 2,180,913.27 and 855,219.66 is: 1,180,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,371.93 : 2,180,913.27 = 855,219.66 : x
  2. Step 2: Convert to fraction form
    1,580,371.93/2,180,913.27 = 855,219.66/x
  3. Step 3: Cross multiply
    1,580,371.93x = 2,180,913.27 × 855,219.66
  4. Step 4: Simplify right side
    1,580,371.93x = 1,865,159,905,258.89
  5. Step 5: Solve for x
    x = 1,865,159,905,258.89/1,580,371.93
  6. Step 6: Final answer
    x = 1,180,203.13

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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.