Home / 1,780,417.68-2,456,831.03-1,045,294.49

Finding the Fourth Proportional to 1,780,417.68, 2,456,831.03 and 1,045,294.49

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Solution

The fourth proportional to 1,780,417.68, 2,456,831.03 and 1,045,294.49 is: 1,442,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,417.68 : 2,456,831.03 = 1,045,294.49 : x
  2. Step 2: Convert to fraction form
    1,780,417.68/2,456,831.03 = 1,045,294.49/x
  3. Step 3: Cross multiply
    1,780,417.68x = 2,456,831.03 × 1,045,294.49
  4. Step 4: Simplify right side
    1,780,417.68x = 2,568,111,921,009.40
  5. Step 5: Solve for x
    x = 2,568,111,921,009.40/1,780,417.68
  6. Step 6: Final answer
    x = 1,442,421.04

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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.