Home / 1,509,869.60-2,083,557.59-821,544.30

Finding the Fourth Proportional to 1,509,869.60, 2,083,557.59 and 821,544.30

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Solution

The fourth proportional to 1,509,869.60, 2,083,557.59 and 821,544.30 is: 1,133,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,869.60 : 2,083,557.59 = 821,544.30 : x
  2. Step 2: Convert to fraction form
    1,509,869.60/2,083,557.59 = 821,544.30/x
  3. Step 3: Cross multiply
    1,509,869.60x = 2,083,557.59 × 821,544.30
  4. Step 4: Simplify right side
    1,509,869.60x = 1,711,734,861,786.24
  5. Step 5: Solve for x
    x = 1,711,734,861,786.24/1,509,869.60
  6. Step 6: Final answer
    x = 1,133,697.15

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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.