Home / 1,320,491.32-1,822,711.62-776,603.32

Finding the Fourth Proportional to 1,320,491.32, 1,822,711.62 and 776,603.32

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Solution

The fourth proportional to 1,320,491.32, 1,822,711.62 and 776,603.32 is: 1,071,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,491.32 : 1,822,711.62 = 776,603.32 : x
  2. Step 2: Convert to fraction form
    1,320,491.32/1,822,711.62 = 776,603.32/x
  3. Step 3: Cross multiply
    1,320,491.32x = 1,822,711.62 × 776,603.32
  4. Step 4: Simplify right side
    1,320,491.32x = 1,415,523,895,494.58
  5. Step 5: Solve for x
    x = 1,415,523,895,494.58/1,320,491.32
  6. Step 6: Final answer
    x = 1,071,967.59

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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.