Home / 1,117,953.12-1,677,312.40-477,993.20

Finding the Fourth Proportional to 1,117,953.12, 1,677,312.40 and 477,993.20

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Solution

The fourth proportional to 1,117,953.12, 1,677,312.40 and 477,993.20 is: 717,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,953.12 : 1,677,312.40 = 477,993.20 : x
  2. Step 2: Convert to fraction form
    1,117,953.12/1,677,312.40 = 477,993.20/x
  3. Step 3: Cross multiply
    1,117,953.12x = 1,677,312.40 × 477,993.20
  4. Step 4: Simplify right side
    1,117,953.12x = 801,743,921,475.68
  5. Step 5: Solve for x
    x = 801,743,921,475.68/1,117,953.12
  6. Step 6: Final answer
    x = 717,153.44

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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.