Home / 1,301,205.13-1,795,449.51-817,427.77

Finding the Fourth Proportional to 1,301,205.13, 1,795,449.51 and 817,427.77

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Solution

The fourth proportional to 1,301,205.13, 1,795,449.51 and 817,427.77 is: 1,127,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,205.13 : 1,795,449.51 = 817,427.77 : x
  2. Step 2: Convert to fraction form
    1,301,205.13/1,795,449.51 = 817,427.77/x
  3. Step 3: Cross multiply
    1,301,205.13x = 1,795,449.51 × 817,427.77
  4. Step 4: Simplify right side
    1,301,205.13x = 1,467,650,284,618.27
  5. Step 5: Solve for x
    x = 1,467,650,284,618.27/1,301,205.13
  6. Step 6: Final answer
    x = 1,127,916.16

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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.