Home / 1,020,688.75-1,531,254.39-310,698.24

Finding the Fourth Proportional to 1,020,688.75, 1,531,254.39 and 310,698.24

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Solution

The fourth proportional to 1,020,688.75, 1,531,254.39 and 310,698.24 is: 466,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,688.75 : 1,531,254.39 = 310,698.24 : x
  2. Step 2: Convert to fraction form
    1,020,688.75/1,531,254.39 = 310,698.24/x
  3. Step 3: Cross multiply
    1,020,688.75x = 1,531,254.39 × 310,698.24
  4. Step 4: Simplify right side
    1,020,688.75x = 475,758,043,965.27
  5. Step 5: Solve for x
    x = 475,758,043,965.27/1,020,688.75
  6. Step 6: Final answer
    x = 466,114.71

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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.