Home / 1,155,515.64-1,594,606.14-646,220.04

Finding the Fourth Proportional to 1,155,515.64, 1,594,606.14 and 646,220.04

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Solution

The fourth proportional to 1,155,515.64, 1,594,606.14 and 646,220.04 is: 891,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,515.64 : 1,594,606.14 = 646,220.04 : x
  2. Step 2: Convert to fraction form
    1,155,515.64/1,594,606.14 = 646,220.04/x
  3. Step 3: Cross multiply
    1,155,515.64x = 1,594,606.14 × 646,220.04
  4. Step 4: Simplify right side
    1,155,515.64x = 1,030,466,443,575.05
  5. Step 5: Solve for x
    x = 1,030,466,443,575.05/1,155,515.64
  6. Step 6: Final answer
    x = 891,780.61

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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.