Home / 1,416,855-1,955,261.16-772,262.28

Finding the Fourth Proportional to 1,416,855, 1,955,261.16 and 772,262.28

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Solution

The fourth proportional to 1,416,855, 1,955,261.16 and 772,262.28 is: 1,065,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,855 : 1,955,261.16 = 772,262.28 : x
  2. Step 2: Convert to fraction form
    1,416,855/1,955,261.16 = 772,262.28/x
  3. Step 3: Cross multiply
    1,416,855x = 1,955,261.16 × 772,262.28
  4. Step 4: Simplify right side
    1,416,855x = 1,509,974,441,417.04
  5. Step 5: Solve for x
    x = 1,509,974,441,417.04/1,416,855
  6. Step 6: Final answer
    x = 1,065,722.63

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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.