Home / 1,148,128.32-1,722,581.73-508,343.96

Finding the Fourth Proportional to 1,148,128.32, 1,722,581.73 and 508,343.96

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Solution

The fourth proportional to 1,148,128.32, 1,722,581.73 and 508,343.96 is: 762,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,128.32 : 1,722,581.73 = 508,343.96 : x
  2. Step 2: Convert to fraction form
    1,148,128.32/1,722,581.73 = 508,343.96/x
  3. Step 3: Cross multiply
    1,148,128.32x = 1,722,581.73 × 508,343.96
  4. Step 4: Simplify right side
    1,148,128.32x = 875,664,009,438.94
  5. Step 5: Solve for x
    x = 875,664,009,438.94/1,148,128.32
  6. Step 6: Final answer
    x = 762,688.28

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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.