Home / 1,030,549.81-1,422,166.64-565,400.65

Finding the Fourth Proportional to 1,030,549.81, 1,422,166.64 and 565,400.65

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Solution

The fourth proportional to 1,030,549.81, 1,422,166.64 and 565,400.65 is: 780,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,549.81 : 1,422,166.64 = 565,400.65 : x
  2. Step 2: Convert to fraction form
    1,030,549.81/1,422,166.64 = 565,400.65/x
  3. Step 3: Cross multiply
    1,030,549.81x = 1,422,166.64 × 565,400.65
  4. Step 4: Simplify right side
    1,030,549.81x = 804,093,937,695.40
  5. Step 5: Solve for x
    x = 804,093,937,695.40/1,030,549.81
  6. Step 6: Final answer
    x = 780,257.23

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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.