Home / 912,971.10-1,259,673.73-590,292.91

Finding the Fourth Proportional to 912,971.10, 1,259,673.73 and 590,292.91

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Solution

The fourth proportional to 912,971.10, 1,259,673.73 and 590,292.91 is: 814,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,971.10 : 1,259,673.73 = 590,292.91 : x
  2. Step 2: Convert to fraction form
    912,971.10/1,259,673.73 = 590,292.91/x
  3. Step 3: Cross multiply
    912,971.10x = 1,259,673.73 × 590,292.91
  4. Step 4: Simplify right side
    912,971.10x = 743,576,471,732.25
  5. Step 5: Solve for x
    x = 743,576,471,732.25/912,971.10
  6. Step 6: Final answer
    x = 814,457.84

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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.