Home / 1,099,341.20-1,649,011.80-910,384.40

Finding the Fourth Proportional to 1,099,341.20, 1,649,011.80 and 910,384.40

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Solution

The fourth proportional to 1,099,341.20, 1,649,011.80 and 910,384.40 is: 1,365,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,341.20 : 1,649,011.80 = 910,384.40 : x
  2. Step 2: Convert to fraction form
    1,099,341.20/1,649,011.80 = 910,384.40/x
  3. Step 3: Cross multiply
    1,099,341.20x = 1,649,011.80 × 910,384.40
  4. Step 4: Simplify right side
    1,099,341.20x = 1,501,234,618,135.92
  5. Step 5: Solve for x
    x = 1,501,234,618,135.92/1,099,341.20
  6. Step 6: Final answer
    x = 1,365,576.60

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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.