Home / 1,165,026.25-1,606,908.03-777,646.35

Finding the Fourth Proportional to 1,165,026.25, 1,606,908.03 and 777,646.35

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Solution

The fourth proportional to 1,165,026.25, 1,606,908.03 and 777,646.35 is: 1,072,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,026.25 : 1,606,908.03 = 777,646.35 : x
  2. Step 2: Convert to fraction form
    1,165,026.25/1,606,908.03 = 777,646.35/x
  3. Step 3: Cross multiply
    1,165,026.25x = 1,606,908.03 × 777,646.35
  4. Step 4: Simplify right side
    1,165,026.25x = 1,249,606,164,315.19
  5. Step 5: Solve for x
    x = 1,249,606,164,315.19/1,165,026.25
  6. Step 6: Final answer
    x = 1,072,599.15

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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.