Home / 1,165,018.36-1,607,721.98-655,720.72

Finding the Fourth Proportional to 1,165,018.36, 1,607,721.98 and 655,720.72

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Solution

The fourth proportional to 1,165,018.36, 1,607,721.98 and 655,720.72 is: 904,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,018.36 : 1,607,721.98 = 655,720.72 : x
  2. Step 2: Convert to fraction form
    1,165,018.36/1,607,721.98 = 655,720.72/x
  3. Step 3: Cross multiply
    1,165,018.36x = 1,607,721.98 × 655,720.72
  4. Step 4: Simplify right side
    1,165,018.36x = 1,054,216,614,285.43
  5. Step 5: Solve for x
    x = 1,054,216,614,285.43/1,165,018.36
  6. Step 6: Final answer
    x = 904,892.70

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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.