Home / 1,781,148.76-2,665,416.38-1,107,547.29

Finding the Fourth Proportional to 1,781,148.76, 2,665,416.38 and 1,107,547.29

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Solution

The fourth proportional to 1,781,148.76, 2,665,416.38 and 1,107,547.29 is: 1,657,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,148.76 : 2,665,416.38 = 1,107,547.29 : x
  2. Step 2: Convert to fraction form
    1,781,148.76/2,665,416.38 = 1,107,547.29/x
  3. Step 3: Cross multiply
    1,781,148.76x = 2,665,416.38 × 1,107,547.29
  4. Step 4: Simplify right side
    1,781,148.76x = 2,952,074,682,852.87
  5. Step 5: Solve for x
    x = 2,952,074,682,852.87/1,781,148.76
  6. Step 6: Final answer
    x = 1,657,399.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.