Home / 879,241.60-1,318,862.40-802,259.20

Finding the Fourth Proportional to 879,241.60, 1,318,862.40 and 802,259.20

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Solution

The fourth proportional to 879,241.60, 1,318,862.40 and 802,259.20 is: 1,203,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,241.60 : 1,318,862.40 = 802,259.20 : x
  2. Step 2: Convert to fraction form
    879,241.60/1,318,862.40 = 802,259.20/x
  3. Step 3: Cross multiply
    879,241.60x = 1,318,862.40 × 802,259.20
  4. Step 4: Simplify right side
    879,241.60x = 1,058,069,493,934.08
  5. Step 5: Solve for x
    x = 1,058,069,493,934.08/879,241.60
  6. Step 6: Final answer
    x = 1,203,388.80

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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.