Home / 1,776,009.40-2,664,014.10-711,215.80

Finding the Fourth Proportional to 1,776,009.40, 2,664,014.10 and 711,215.80

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Solution

The fourth proportional to 1,776,009.40, 2,664,014.10 and 711,215.80 is: 1,066,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,009.40 : 2,664,014.10 = 711,215.80 : x
  2. Step 2: Convert to fraction form
    1,776,009.40/2,664,014.10 = 711,215.80/x
  3. Step 3: Cross multiply
    1,776,009.40x = 2,664,014.10 × 711,215.80
  4. Step 4: Simplify right side
    1,776,009.40x = 1,894,688,919,342.78
  5. Step 5: Solve for x
    x = 1,894,688,919,342.78/1,776,009.40
  6. Step 6: Final answer
    x = 1,066,823.70

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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.