Home / 1,121,662.48-1,547,822.16-612,363.76

Finding the Fourth Proportional to 1,121,662.48, 1,547,822.16 and 612,363.76

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Solution

The fourth proportional to 1,121,662.48, 1,547,822.16 and 612,363.76 is: 845,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,662.48 : 1,547,822.16 = 612,363.76 : x
  2. Step 2: Convert to fraction form
    1,121,662.48/1,547,822.16 = 612,363.76/x
  3. Step 3: Cross multiply
    1,121,662.48x = 1,547,822.16 × 612,363.76
  4. Step 4: Simplify right side
    1,121,662.48x = 947,830,197,708.92
  5. Step 5: Solve for x
    x = 947,830,197,708.92/1,121,662.48
  6. Step 6: Final answer
    x = 845,022.65

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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.