Home / 1,070,065.80-1,476,878.40-812,794.32

Finding the Fourth Proportional to 1,070,065.80, 1,476,878.40 and 812,794.32

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Solution

The fourth proportional to 1,070,065.80, 1,476,878.40 and 812,794.32 is: 1,121,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,065.80 : 1,476,878.40 = 812,794.32 : x
  2. Step 2: Convert to fraction form
    1,070,065.80/1,476,878.40 = 812,794.32/x
  3. Step 3: Cross multiply
    1,070,065.80x = 1,476,878.40 × 812,794.32
  4. Step 4: Simplify right side
    1,070,065.80x = 1,200,398,374,850.69
  5. Step 5: Solve for x
    x = 1,200,398,374,850.69/1,070,065.80
  6. Step 6: Final answer
    x = 1,121,798.65

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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.