Home / 982,681.60-1,470,523.20-681,750.40

Finding the Fourth Proportional to 982,681.60, 1,470,523.20 and 681,750.40

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Solution

The fourth proportional to 982,681.60, 1,470,523.20 and 681,750.40 is: 1,020,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,681.60 : 1,470,523.20 = 681,750.40 : x
  2. Step 2: Convert to fraction form
    982,681.60/1,470,523.20 = 681,750.40/x
  3. Step 3: Cross multiply
    982,681.60x = 1,470,523.20 × 681,750.40
  4. Step 4: Simplify right side
    982,681.60x = 1,002,529,779,809.28
  5. Step 5: Solve for x
    x = 1,002,529,779,809.28/982,681.60
  6. Step 6: Final answer
    x = 1,020,197.98

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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.