Home / 1,404,518.40-2,103,213.60-772,718.40

Finding the Fourth Proportional to 1,404,518.40, 2,103,213.60 and 772,718.40

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Solution

The fourth proportional to 1,404,518.40, 2,103,213.60 and 772,718.40 is: 1,157,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,518.40 : 2,103,213.60 = 772,718.40 : x
  2. Step 2: Convert to fraction form
    1,404,518.40/2,103,213.60 = 772,718.40/x
  3. Step 3: Cross multiply
    1,404,518.40x = 2,103,213.60 × 772,718.40
  4. Step 4: Simplify right side
    1,404,518.40x = 1,625,191,847,850.24
  5. Step 5: Solve for x
    x = 1,625,191,847,850.24/1,404,518.40
  6. Step 6: Final answer
    x = 1,157,116.81

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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.