Home / 1,985,326.80-2,978,008.02-565,382.22

Finding the Fourth Proportional to 1,985,326.80, 2,978,008.02 and 565,382.22

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Solution

The fourth proportional to 1,985,326.80, 2,978,008.02 and 565,382.22 is: 848,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,326.80 : 2,978,008.02 = 565,382.22 : x
  2. Step 2: Convert to fraction form
    1,985,326.80/2,978,008.02 = 565,382.22/x
  3. Step 3: Cross multiply
    1,985,326.80x = 2,978,008.02 × 565,382.22
  4. Step 4: Simplify right side
    1,985,326.80x = 1,683,712,785,525.40
  5. Step 5: Solve for x
    x = 1,683,712,785,525.40/1,985,326.80
  6. Step 6: Final answer
    x = 848,078.40

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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.