Home / 1,277,982.37-1,916,317.45-424,746.19

Finding the Fourth Proportional to 1,277,982.37, 1,916,317.45 and 424,746.19

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Solution

The fourth proportional to 1,277,982.37, 1,916,317.45 and 424,746.19 is: 636,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,982.37 : 1,916,317.45 = 424,746.19 : x
  2. Step 2: Convert to fraction form
    1,277,982.37/1,916,317.45 = 424,746.19/x
  3. Step 3: Cross multiply
    1,277,982.37x = 1,916,317.45 × 424,746.19
  4. Step 4: Simplify right side
    1,277,982.37x = 813,948,535,718.02
  5. Step 5: Solve for x
    x = 813,948,535,718.02/1,277,982.37
  6. Step 6: Final answer
    x = 636,901.22

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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.