Home / 1,528,439-2,107,022.79-1,068,124.46

Finding the Fourth Proportional to 1,528,439, 2,107,022.79 and 1,068,124.46

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Solution

The fourth proportional to 1,528,439, 2,107,022.79 and 1,068,124.46 is: 1,472,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,439 : 2,107,022.79 = 1,068,124.46 : x
  2. Step 2: Convert to fraction form
    1,528,439/2,107,022.79 = 1,068,124.46/x
  3. Step 3: Cross multiply
    1,528,439x = 2,107,022.79 × 1,068,124.46
  4. Step 4: Simplify right side
    1,528,439x = 2,250,562,579,776.44
  5. Step 5: Solve for x
    x = 2,250,562,579,776.44/1,528,439
  6. Step 6: Final answer
    x = 1,472,458.23

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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.