Home / 1,678,959.36-2,316,904.80-914,997.60

Finding the Fourth Proportional to 1,678,959.36, 2,316,904.80 and 914,997.60

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Solution

The fourth proportional to 1,678,959.36, 2,316,904.80 and 914,997.60 is: 1,262,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,959.36 : 2,316,904.80 = 914,997.60 : x
  2. Step 2: Convert to fraction form
    1,678,959.36/2,316,904.80 = 914,997.60/x
  3. Step 3: Cross multiply
    1,678,959.36x = 2,316,904.80 × 914,997.60
  4. Step 4: Simplify right side
    1,678,959.36x = 2,119,962,331,428.48
  5. Step 5: Solve for x
    x = 2,119,962,331,428.48/1,678,959.36
  6. Step 6: Final answer
    x = 1,262,664.47

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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.