Home / 1,288,424.71-1,932,317.73-435,477.43

Finding the Fourth Proportional to 1,288,424.71, 1,932,317.73 and 435,477.43

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Solution

The fourth proportional to 1,288,424.71, 1,932,317.73 and 435,477.43 is: 653,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,424.71 : 1,932,317.73 = 435,477.43 : x
  2. Step 2: Convert to fraction form
    1,288,424.71/1,932,317.73 = 435,477.43/x
  3. Step 3: Cross multiply
    1,288,424.71x = 1,932,317.73 × 435,477.43
  4. Step 4: Simplify right side
    1,288,424.71x = 841,480,755,806.08
  5. Step 5: Solve for x
    x = 841,480,755,806.08/1,288,424.71
  6. Step 6: Final answer
    x = 653,108.21

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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.