Home / 1,528,491.78-2,105,673.03-1,068,746.13

Finding the Fourth Proportional to 1,528,491.78, 2,105,673.03 and 1,068,746.13

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Solution

The fourth proportional to 1,528,491.78, 2,105,673.03 and 1,068,746.13 is: 1,472,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,491.78 : 2,105,673.03 = 1,068,746.13 : x
  2. Step 2: Convert to fraction form
    1,528,491.78/2,105,673.03 = 1,068,746.13/x
  3. Step 3: Cross multiply
    1,528,491.78x = 2,105,673.03 × 1,068,746.13
  4. Step 4: Simplify right side
    1,528,491.78x = 2,250,429,901,857.87
  5. Step 5: Solve for x
    x = 2,250,429,901,857.87/1,528,491.78
  6. Step 6: Final answer
    x = 1,472,320.58

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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.