Home / 1,678,009.18-2,517,113.24-525,471.32

Finding the Fourth Proportional to 1,678,009.18, 2,517,113.24 and 525,471.32

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Solution

The fourth proportional to 1,678,009.18, 2,517,113.24 and 525,471.32 is: 788,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,009.18 : 2,517,113.24 = 525,471.32 : x
  2. Step 2: Convert to fraction form
    1,678,009.18/2,517,113.24 = 525,471.32/x
  3. Step 3: Cross multiply
    1,678,009.18x = 2,517,113.24 × 525,471.32
  4. Step 4: Simplify right side
    1,678,009.18x = 1,322,670,816,812.28
  5. Step 5: Solve for x
    x = 1,322,670,816,812.28/1,678,009.18
  6. Step 6: Final answer
    x = 788,238.13

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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.