Home / 1,656,807.40-2,485,211.10-859,645.90

Finding the Fourth Proportional to 1,656,807.40, 2,485,211.10 and 859,645.90

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Solution

The fourth proportional to 1,656,807.40, 2,485,211.10 and 859,645.90 is: 1,289,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,807.40 : 2,485,211.10 = 859,645.90 : x
  2. Step 2: Convert to fraction form
    1,656,807.40/2,485,211.10 = 859,645.90/x
  3. Step 3: Cross multiply
    1,656,807.40x = 2,485,211.10 × 859,645.90
  4. Step 4: Simplify right side
    1,656,807.40x = 2,136,401,532,749.49
  5. Step 5: Solve for x
    x = 2,136,401,532,749.49/1,656,807.40
  6. Step 6: Final answer
    x = 1,289,468.85

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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.