Home / 1,172,678.45-1,756,726.79-807,875.64

Finding the Fourth Proportional to 1,172,678.45, 1,756,726.79 and 807,875.64

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Solution

The fourth proportional to 1,172,678.45, 1,756,726.79 and 807,875.64 is: 1,210,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,678.45 : 1,756,726.79 = 807,875.64 : x
  2. Step 2: Convert to fraction form
    1,172,678.45/1,756,726.79 = 807,875.64/x
  3. Step 3: Cross multiply
    1,172,678.45x = 1,756,726.79 × 807,875.64
  4. Step 4: Simplify right side
    1,172,678.45x = 1,419,216,775,737.02
  5. Step 5: Solve for x
    x = 1,419,216,775,737.02/1,172,678.45
  6. Step 6: Final answer
    x = 1,210,235.24

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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.