Home / 1,121,623.13-1,547,832.03-612,325.51

Finding the Fourth Proportional to 1,121,623.13, 1,547,832.03 and 612,325.51

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Solution

The fourth proportional to 1,121,623.13, 1,547,832.03 and 612,325.51 is: 845,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,623.13 : 1,547,832.03 = 612,325.51 : x
  2. Step 2: Convert to fraction form
    1,121,623.13/1,547,832.03 = 612,325.51/x
  3. Step 3: Cross multiply
    1,121,623.13x = 1,547,832.03 × 612,325.51
  4. Step 4: Simplify right side
    1,121,623.13x = 947,777,037,164.09
  5. Step 5: Solve for x
    x = 947,777,037,164.09/1,121,623.13
  6. Step 6: Final answer
    x = 845,004.90

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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.