Home / 1,165,021.17-1,606,901.04-777,641.28

Finding the Fourth Proportional to 1,165,021.17, 1,606,901.04 and 777,641.28

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Solution

The fourth proportional to 1,165,021.17, 1,606,901.04 and 777,641.28 is: 1,072,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,021.17 : 1,606,901.04 = 777,641.28 : x
  2. Step 2: Convert to fraction form
    1,165,021.17/1,606,901.04 = 777,641.28/x
  3. Step 3: Cross multiply
    1,165,021.17x = 1,606,901.04 × 777,641.28
  4. Step 4: Simplify right side
    1,165,021.17x = 1,249,592,581,578.93
  5. Step 5: Solve for x
    x = 1,249,592,581,578.93/1,165,021.17
  6. Step 6: Final answer
    x = 1,072,592.17

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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.