Home / 1,099,866.40-1,648,487.40-987,017.20

Finding the Fourth Proportional to 1,099,866.40, 1,648,487.40 and 987,017.20

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Solution

The fourth proportional to 1,099,866.40, 1,648,487.40 and 987,017.20 is: 1,479,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,866.40 : 1,648,487.40 = 987,017.20 : x
  2. Step 2: Convert to fraction form
    1,099,866.40/1,648,487.40 = 987,017.20/x
  3. Step 3: Cross multiply
    1,099,866.40x = 1,648,487.40 × 987,017.20
  4. Step 4: Simplify right side
    1,099,866.40x = 1,627,085,417,783.28
  5. Step 5: Solve for x
    x = 1,627,085,417,783.28/1,099,866.40
  6. Step 6: Final answer
    x = 1,479,348.24

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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.