Home / 1,045,331.80-1,566,384.90-777,837.40

Finding the Fourth Proportional to 1,045,331.80, 1,566,384.90 and 777,837.40

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Solution

The fourth proportional to 1,045,331.80, 1,566,384.90 and 777,837.40 is: 1,165,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,331.80 : 1,566,384.90 = 777,837.40 : x
  2. Step 2: Convert to fraction form
    1,045,331.80/1,566,384.90 = 777,837.40/x
  3. Step 3: Cross multiply
    1,045,331.80x = 1,566,384.90 × 777,837.40
  4. Step 4: Simplify right side
    1,045,331.80x = 1,218,392,758,015.26
  5. Step 5: Solve for x
    x = 1,218,392,758,015.26/1,045,331.80
  6. Step 6: Final answer
    x = 1,165,556.01

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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.