Home / 1,778,004.80-2,664,674.40-712,174.40

Finding the Fourth Proportional to 1,778,004.80, 2,664,674.40 and 712,174.40

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Solution

The fourth proportional to 1,778,004.80, 2,664,674.40 and 712,174.40 is: 1,067,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,004.80 : 2,664,674.40 = 712,174.40 : x
  2. Step 2: Convert to fraction form
    1,778,004.80/2,664,674.40 = 712,174.40/x
  3. Step 3: Cross multiply
    1,778,004.80x = 2,664,674.40 × 712,174.40
  4. Step 4: Simplify right side
    1,778,004.80x = 1,897,712,892,015.36
  5. Step 5: Solve for x
    x = 1,897,712,892,015.36/1,778,004.80
  6. Step 6: Final answer
    x = 1,067,327.20

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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.