Home / 1,110,464.80-1,665,697.20-478,938.40

Finding the Fourth Proportional to 1,110,464.80, 1,665,697.20 and 478,938.40

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Solution

The fourth proportional to 1,110,464.80, 1,665,697.20 and 478,938.40 is: 718,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,464.80 : 1,665,697.20 = 478,938.40 : x
  2. Step 2: Convert to fraction form
    1,110,464.80/1,665,697.20 = 478,938.40/x
  3. Step 3: Cross multiply
    1,110,464.80x = 1,665,697.20 × 478,938.40
  4. Step 4: Simplify right side
    1,110,464.80x = 797,766,351,852.48
  5. Step 5: Solve for x
    x = 797,766,351,852.48/1,110,464.80
  6. Step 6: Final answer
    x = 718,407.60

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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.