Home / 1,110,442.80-1,666,441.80-712,052.40

Finding the Fourth Proportional to 1,110,442.80, 1,666,441.80 and 712,052.40

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Solution

The fourth proportional to 1,110,442.80, 1,666,441.80 and 712,052.40 is: 1,068,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,442.80 : 1,666,441.80 = 712,052.40 : x
  2. Step 2: Convert to fraction form
    1,110,442.80/1,666,441.80 = 712,052.40/x
  3. Step 3: Cross multiply
    1,110,442.80x = 1,666,441.80 × 712,052.40
  4. Step 4: Simplify right side
    1,110,442.80x = 1,186,593,883,150.32
  5. Step 5: Solve for x
    x = 1,186,593,883,150.32/1,110,442.80
  6. Step 6: Final answer
    x = 1,068,577.22

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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.