Home / 869,053.19-1,303,678.20-779,757.98

Finding the Fourth Proportional to 869,053.19, 1,303,678.20 and 779,757.98

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Solution

The fourth proportional to 869,053.19, 1,303,678.20 and 779,757.98 is: 1,169,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,053.19 : 1,303,678.20 = 779,757.98 : x
  2. Step 2: Convert to fraction form
    869,053.19/1,303,678.20 = 779,757.98/x
  3. Step 3: Cross multiply
    869,053.19x = 1,303,678.20 × 779,757.98
  4. Step 4: Simplify right side
    869,053.19x = 1,016,553,479,802.04
  5. Step 5: Solve for x
    x = 1,016,553,479,802.04/869,053.19
  6. Step 6: Final answer
    x = 1,169,725.27

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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.