Home / 1,110,005.60-1,665,008.40-991,810.40

Finding the Fourth Proportional to 1,110,005.60, 1,665,008.40 and 991,810.40

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Solution

The fourth proportional to 1,110,005.60, 1,665,008.40 and 991,810.40 is: 1,487,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,005.60 : 1,665,008.40 = 991,810.40 : x
  2. Step 2: Convert to fraction form
    1,110,005.60/1,665,008.40 = 991,810.40/x
  3. Step 3: Cross multiply
    1,110,005.60x = 1,665,008.40 × 991,810.40
  4. Step 4: Simplify right side
    1,110,005.60x = 1,651,372,647,207.36
  5. Step 5: Solve for x
    x = 1,651,372,647,207.36/1,110,005.60
  6. Step 6: Final answer
    x = 1,487,715.60

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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.