Home / 1,143,422.64-1,577,869.20-634,114.08

Finding the Fourth Proportional to 1,143,422.64, 1,577,869.20 and 634,114.08

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Solution

The fourth proportional to 1,143,422.64, 1,577,869.20 and 634,114.08 is: 875,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,422.64 : 1,577,869.20 = 634,114.08 : x
  2. Step 2: Convert to fraction form
    1,143,422.64/1,577,869.20 = 634,114.08/x
  3. Step 3: Cross multiply
    1,143,422.64x = 1,577,869.20 × 634,114.08
  4. Step 4: Simplify right side
    1,143,422.64x = 1,000,549,076,118.34
  5. Step 5: Solve for x
    x = 1,000,549,076,118.34/1,143,422.64
  6. Step 6: Final answer
    x = 875,047.46

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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.