Home / 1,512,668.75-2,087,483.32-824,340.80

Finding the Fourth Proportional to 1,512,668.75, 2,087,483.32 and 824,340.80

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Solution

The fourth proportional to 1,512,668.75, 2,087,483.32 and 824,340.80 is: 1,137,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,668.75 : 2,087,483.32 = 824,340.80 : x
  2. Step 2: Convert to fraction form
    1,512,668.75/2,087,483.32 = 824,340.80/x
  3. Step 3: Cross multiply
    1,512,668.75x = 2,087,483.32 × 824,340.80
  4. Step 4: Simplify right side
    1,512,668.75x = 1,720,797,671,607.67
  5. Step 5: Solve for x
    x = 1,720,797,671,607.67/1,512,668.75
  6. Step 6: Final answer
    x = 1,137,590.54

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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.