Home / 876,000.40-1,314,000.60-687,043.60

Finding the Fourth Proportional to 876,000.40, 1,314,000.60 and 687,043.60

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Solution

The fourth proportional to 876,000.40, 1,314,000.60 and 687,043.60 is: 1,030,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,000.40 : 1,314,000.60 = 687,043.60 : x
  2. Step 2: Convert to fraction form
    876,000.40/1,314,000.60 = 687,043.60/x
  3. Step 3: Cross multiply
    876,000.40x = 1,314,000.60 × 687,043.60
  4. Step 4: Simplify right side
    876,000.40x = 902,775,702,626.16
  5. Step 5: Solve for x
    x = 902,775,702,626.16/876,000.40
  6. Step 6: Final answer
    x = 1,030,565.40

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1.5x scale

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.