Home / 1,114,734.60-1,672,101.90-802,139.40

Finding the Fourth Proportional to 1,114,734.60, 1,672,101.90 and 802,139.40

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Solution

The fourth proportional to 1,114,734.60, 1,672,101.90 and 802,139.40 is: 1,203,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,734.60 : 1,672,101.90 = 802,139.40 : x
  2. Step 2: Convert to fraction form
    1,114,734.60/1,672,101.90 = 802,139.40/x
  3. Step 3: Cross multiply
    1,114,734.60x = 1,672,101.90 × 802,139.40
  4. Step 4: Simplify right side
    1,114,734.60x = 1,341,258,814,804.86
  5. Step 5: Solve for x
    x = 1,341,258,814,804.86/1,114,734.60
  6. Step 6: Final answer
    x = 1,203,209.10

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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.