Home / 1,168,331-1,612,296.86-631,787

Finding the Fourth Proportional to 1,168,331, 1,612,296.86 and 631,787

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Solution

The fourth proportional to 1,168,331, 1,612,296.86 and 631,787 is: 871,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,331 : 1,612,296.86 = 631,787 : x
  2. Step 2: Convert to fraction form
    1,168,331/1,612,296.86 = 631,787/x
  3. Step 3: Cross multiply
    1,168,331x = 1,612,296.86 × 631,787
  4. Step 4: Simplify right side
    1,168,331x = 1,018,628,196,288.82
  5. Step 5: Solve for x
    x = 1,018,628,196,288.82/1,168,331
  6. Step 6: Final answer
    x = 871,866.10

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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.