Home / 879,368.40-1,319,052.60-680,078.03

Finding the Fourth Proportional to 879,368.40, 1,319,052.60 and 680,078.03

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Solution

The fourth proportional to 879,368.40, 1,319,052.60 and 680,078.03 is: 1,020,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,368.40 : 1,319,052.60 = 680,078.03 : x
  2. Step 2: Convert to fraction form
    879,368.40/1,319,052.60 = 680,078.03/x
  3. Step 3: Cross multiply
    879,368.40x = 1,319,052.60 × 680,078.03
  4. Step 4: Simplify right side
    879,368.40x = 897,058,687,079.12
  5. Step 5: Solve for x
    x = 897,058,687,079.12/879,368.40
  6. Step 6: Final answer
    x = 1,020,117.04

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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.