Home / 1,165,045.73-1,606,934.93-777,665.86

Finding the Fourth Proportional to 1,165,045.73, 1,606,934.93 and 777,665.86

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Solution

The fourth proportional to 1,165,045.73, 1,606,934.93 and 777,665.86 is: 1,072,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,045.73 : 1,606,934.93 = 777,665.86 : x
  2. Step 2: Convert to fraction form
    1,165,045.73/1,606,934.93 = 777,665.86/x
  3. Step 3: Cross multiply
    1,165,045.73x = 1,606,934.93 × 777,665.86
  4. Step 4: Simplify right side
    1,165,045.73x = 1,249,658,426,396.82
  5. Step 5: Solve for x
    x = 1,249,658,426,396.82/1,165,045.73
  6. Step 6: Final answer
    x = 1,072,626.08

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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.