Home / 1,285,412.51-1,772,948.09-849,324.71

Finding the Fourth Proportional to 1,285,412.51, 1,772,948.09 and 849,324.71

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Solution

The fourth proportional to 1,285,412.51, 1,772,948.09 and 849,324.71 is: 1,171,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,412.51 : 1,772,948.09 = 849,324.71 : x
  2. Step 2: Convert to fraction form
    1,285,412.51/1,772,948.09 = 849,324.71/x
  3. Step 3: Cross multiply
    1,285,412.51x = 1,772,948.09 × 849,324.71
  4. Step 4: Simplify right side
    1,285,412.51x = 1,505,808,615,642.88
  5. Step 5: Solve for x
    x = 1,505,808,615,642.88/1,285,412.51
  6. Step 6: Final answer
    x = 1,171,459.44

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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.