Home / 1,020,860.12-1,408,786.98-568,258.04

Finding the Fourth Proportional to 1,020,860.12, 1,408,786.98 and 568,258.04

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Solution

The fourth proportional to 1,020,860.12, 1,408,786.98 and 568,258.04 is: 784,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,860.12 : 1,408,786.98 = 568,258.04 : x
  2. Step 2: Convert to fraction form
    1,020,860.12/1,408,786.98 = 568,258.04/x
  3. Step 3: Cross multiply
    1,020,860.12x = 1,408,786.98 × 568,258.04
  4. Step 4: Simplify right side
    1,020,860.12x = 800,554,528,032.32
  5. Step 5: Solve for x
    x = 800,554,528,032.32/1,020,860.12
  6. Step 6: Final answer
    x = 784,196.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.