Home / 1,018,611.18-1,527,917.05-378,831.32

Finding the Fourth Proportional to 1,018,611.18, 1,527,917.05 and 378,831.32

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Solution

The fourth proportional to 1,018,611.18, 1,527,917.05 and 378,831.32 is: 568,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,611.18 : 1,527,917.05 = 378,831.32 : x
  2. Step 2: Convert to fraction form
    1,018,611.18/1,527,917.05 = 378,831.32/x
  3. Step 3: Cross multiply
    1,018,611.18x = 1,527,917.05 × 378,831.32
  4. Step 4: Simplify right side
    1,018,611.18x = 578,822,832,902.01
  5. Step 5: Solve for x
    x = 578,822,832,902.01/1,018,611.18
  6. Step 6: Final answer
    x = 568,247.08

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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.