Home / 1,509,659.79-2,083,347.06-821,335.56

Finding the Fourth Proportional to 1,509,659.79, 2,083,347.06 and 821,335.56

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Solution

The fourth proportional to 1,509,659.79, 2,083,347.06 and 821,335.56 is: 1,133,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,659.79 : 2,083,347.06 = 821,335.56 : x
  2. Step 2: Convert to fraction form
    1,509,659.79/2,083,347.06 = 821,335.56/x
  3. Step 3: Cross multiply
    1,509,659.79x = 2,083,347.06 × 821,335.56
  4. Step 4: Simplify right side
    1,509,659.79x = 1,711,127,024,199.45
  5. Step 5: Solve for x
    x = 1,711,127,024,199.45/1,509,659.79
  6. Step 6: Final answer
    x = 1,133,452.08

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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.