Home / 1,500,438.52-2,070,604.99-812,110.25

Finding the Fourth Proportional to 1,500,438.52, 2,070,604.99 and 812,110.25

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Solution

The fourth proportional to 1,500,438.52, 2,070,604.99 and 812,110.25 is: 1,120,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,438.52 : 2,070,604.99 = 812,110.25 : x
  2. Step 2: Convert to fraction form
    1,500,438.52/2,070,604.99 = 812,110.25/x
  3. Step 3: Cross multiply
    1,500,438.52x = 2,070,604.99 × 812,110.25
  4. Step 4: Simplify right side
    1,500,438.52x = 1,681,559,536,080.15
  5. Step 5: Solve for x
    x = 1,681,559,536,080.15/1,500,438.52
  6. Step 6: Final answer
    x = 1,120,712.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.