Home / 1,509,899.94-2,083,599.05-821,574.50

Finding the Fourth Proportional to 1,509,899.94, 2,083,599.05 and 821,574.50

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Solution

The fourth proportional to 1,509,899.94, 2,083,599.05 and 821,574.50 is: 1,133,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,899.94 : 2,083,599.05 = 821,574.50 : x
  2. Step 2: Convert to fraction form
    1,509,899.94/2,083,599.05 = 821,574.50/x
  3. Step 3: Cross multiply
    1,509,899.94x = 2,083,599.05 × 821,574.50
  4. Step 4: Simplify right side
    1,509,899.94x = 1,711,831,833,178.36
  5. Step 5: Solve for x
    x = 1,711,831,833,178.36/1,509,899.94
  6. Step 6: Final answer
    x = 1,133,738.59

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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.