Home / 1,091,238.71-1,634,063.22-910,875.68

Finding the Fourth Proportional to 1,091,238.71, 1,634,063.22 and 910,875.68

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Solution

The fourth proportional to 1,091,238.71, 1,634,063.22 and 910,875.68 is: 1,363,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,238.71 : 1,634,063.22 = 910,875.68 : x
  2. Step 2: Convert to fraction form
    1,091,238.71/1,634,063.22 = 910,875.68/x
  3. Step 3: Cross multiply
    1,091,238.71x = 1,634,063.22 × 910,875.68
  4. Step 4: Simplify right side
    1,091,238.71x = 1,488,428,444,637.91
  5. Step 5: Solve for x
    x = 1,488,428,444,637.91/1,091,238.71
  6. Step 6: Final answer
    x = 1,363,980.62

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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.