Home / 1,108,933.80-1,664,178.30-710,543.40

Finding the Fourth Proportional to 1,108,933.80, 1,664,178.30 and 710,543.40

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Solution

The fourth proportional to 1,108,933.80, 1,664,178.30 and 710,543.40 is: 1,066,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,933.80 : 1,664,178.30 = 710,543.40 : x
  2. Step 2: Convert to fraction form
    1,108,933.80/1,664,178.30 = 710,543.40/x
  3. Step 3: Cross multiply
    1,108,933.80x = 1,664,178.30 × 710,543.40
  4. Step 4: Simplify right side
    1,108,933.80x = 1,182,470,907,488.22
  5. Step 5: Solve for x
    x = 1,182,470,907,488.22/1,108,933.80
  6. Step 6: Final answer
    x = 1,066,313.34

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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.