Home / 1,776,009.90-2,664,014.85-711,216.30

Finding the Fourth Proportional to 1,776,009.90, 2,664,014.85 and 711,216.30

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Solution

The fourth proportional to 1,776,009.90, 2,664,014.85 and 711,216.30 is: 1,066,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,009.90 : 2,664,014.85 = 711,216.30 : x
  2. Step 2: Convert to fraction form
    1,776,009.90/2,664,014.85 = 711,216.30/x
  3. Step 3: Cross multiply
    1,776,009.90x = 2,664,014.85 × 711,216.30
  4. Step 4: Simplify right side
    1,776,009.90x = 1,894,690,784,762.06
  5. Step 5: Solve for x
    x = 1,894,690,784,762.06/1,776,009.90
  6. Step 6: Final answer
    x = 1,066,824.45

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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.