Home / 1,400,411.37-1,932,751.85-788,683.71

Finding the Fourth Proportional to 1,400,411.37, 1,932,751.85 and 788,683.71

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Solution

The fourth proportional to 1,400,411.37, 1,932,751.85 and 788,683.71 is: 1,088,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,411.37 : 1,932,751.85 = 788,683.71 : x
  2. Step 2: Convert to fraction form
    1,400,411.37/1,932,751.85 = 788,683.71/x
  3. Step 3: Cross multiply
    1,400,411.37x = 1,932,751.85 × 788,683.71
  4. Step 4: Simplify right side
    1,400,411.37x = 1,524,329,899,567.36
  5. Step 5: Solve for x
    x = 1,524,329,899,567.36/1,400,411.37
  6. Step 6: Final answer
    x = 1,088,487.23

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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.