Home / 1,085,862.60-1,628,793.90-802,427.40

Finding the Fourth Proportional to 1,085,862.60, 1,628,793.90 and 802,427.40

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Solution

The fourth proportional to 1,085,862.60, 1,628,793.90 and 802,427.40 is: 1,203,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,862.60 : 1,628,793.90 = 802,427.40 : x
  2. Step 2: Convert to fraction form
    1,085,862.60/1,628,793.90 = 802,427.40/x
  3. Step 3: Cross multiply
    1,085,862.60x = 1,628,793.90 × 802,427.40
  4. Step 4: Simplify right side
    1,085,862.60x = 1,306,988,854,312.86
  5. Step 5: Solve for x
    x = 1,306,988,854,312.86/1,085,862.60
  6. Step 6: Final answer
    x = 1,203,641.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.