Home / 1,776,479.40-2,664,135.90-654,402.60

Finding the Fourth Proportional to 1,776,479.40, 2,664,135.90 and 654,402.60

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Solution

The fourth proportional to 1,776,479.40, 2,664,135.90 and 654,402.60 is: 981,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,479.40 : 2,664,135.90 = 654,402.60 : x
  2. Step 2: Convert to fraction form
    1,776,479.40/2,664,135.90 = 654,402.60/x
  3. Step 3: Cross multiply
    1,776,479.40x = 2,664,135.90 × 654,402.60
  4. Step 4: Simplify right side
    1,776,479.40x = 1,743,417,459,713.34
  5. Step 5: Solve for x
    x = 1,743,417,459,713.34/1,776,479.40
  6. Step 6: Final answer
    x = 981,389.07

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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.