Home / 1,497,017.28-2,065,859.52-817,939.20

Finding the Fourth Proportional to 1,497,017.28, 2,065,859.52 and 817,939.20

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Solution

The fourth proportional to 1,497,017.28, 2,065,859.52 and 817,939.20 is: 1,128,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,017.28 : 2,065,859.52 = 817,939.20 : x
  2. Step 2: Convert to fraction form
    1,497,017.28/2,065,859.52 = 817,939.20/x
  3. Step 3: Cross multiply
    1,497,017.28x = 2,065,859.52 × 817,939.20
  4. Step 4: Simplify right side
    1,497,017.28x = 1,689,747,483,101.18
  5. Step 5: Solve for x
    x = 1,689,747,483,101.18/1,497,017.28
  6. Step 6: Final answer
    x = 1,128,742.80

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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.