Home / 1,133,350.08-1,563,672.12-643,240.80

Finding the Fourth Proportional to 1,133,350.08, 1,563,672.12 and 643,240.80

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Solution

The fourth proportional to 1,133,350.08, 1,563,672.12 and 643,240.80 is: 887,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,350.08 : 1,563,672.12 = 643,240.80 : x
  2. Step 2: Convert to fraction form
    1,133,350.08/1,563,672.12 = 643,240.80/x
  3. Step 3: Cross multiply
    1,133,350.08x = 1,563,672.12 × 643,240.80
  4. Step 4: Simplify right side
    1,133,350.08x = 1,005,817,705,406.50
  5. Step 5: Solve for x
    x = 1,005,817,705,406.50/1,133,350.08
  6. Step 6: Final answer
    x = 887,473.10

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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.