Home / 1,845,956.72-2,547,405.45-1,071,659.40

Finding the Fourth Proportional to 1,845,956.72, 2,547,405.45 and 1,071,659.40

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Solution

The fourth proportional to 1,845,956.72, 2,547,405.45 and 1,071,659.40 is: 1,478,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,956.72 : 2,547,405.45 = 1,071,659.40 : x
  2. Step 2: Convert to fraction form
    1,845,956.72/2,547,405.45 = 1,071,659.40/x
  3. Step 3: Cross multiply
    1,845,956.72x = 2,547,405.45 × 1,071,659.40
  4. Step 4: Simplify right side
    1,845,956.72x = 2,729,950,996,103.73
  5. Step 5: Solve for x
    x = 2,729,950,996,103.73/1,845,956.72
  6. Step 6: Final answer
    x = 1,478,881.37

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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.