Home / 1,497,007.07-2,065,869.76-817,943.57

Finding the Fourth Proportional to 1,497,007.07, 2,065,869.76 and 817,943.57

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Solution

The fourth proportional to 1,497,007.07, 2,065,869.76 and 817,943.57 is: 1,128,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,007.07 : 2,065,869.76 = 817,943.57 : x
  2. Step 2: Convert to fraction form
    1,497,007.07/2,065,869.76 = 817,943.57/x
  3. Step 3: Cross multiply
    1,497,007.07x = 2,065,869.76 × 817,943.57
  4. Step 4: Simplify right side
    1,497,007.07x = 1,689,764,876,320.09
  5. Step 5: Solve for x
    x = 1,689,764,876,320.09/1,497,007.07
  6. Step 6: Final answer
    x = 1,128,762.13

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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.