Home / 1,426,696.64-2,140,324.72-528,145.28

Finding the Fourth Proportional to 1,426,696.64, 2,140,324.72 and 528,145.28

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Solution

The fourth proportional to 1,426,696.64, 2,140,324.72 and 528,145.28 is: 792,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,696.64 : 2,140,324.72 = 528,145.28 : x
  2. Step 2: Convert to fraction form
    1,426,696.64/2,140,324.72 = 528,145.28/x
  3. Step 3: Cross multiply
    1,426,696.64x = 2,140,324.72 × 528,145.28
  4. Step 4: Simplify right side
    1,426,696.64x = 1,130,402,398,535.32
  5. Step 5: Solve for x
    x = 1,130,402,398,535.32/1,426,696.64
  6. Step 6: Final answer
    x = 792,321.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.