Home / 1,121,375.04-1,547,443.76-637,894.95

Finding the Fourth Proportional to 1,121,375.04, 1,547,443.76 and 637,894.95

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Solution

The fourth proportional to 1,121,375.04, 1,547,443.76 and 637,894.95 is: 880,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,375.04 : 1,547,443.76 = 637,894.95 : x
  2. Step 2: Convert to fraction form
    1,121,375.04/1,547,443.76 = 637,894.95/x
  3. Step 3: Cross multiply
    1,121,375.04x = 1,547,443.76 × 637,894.95
  4. Step 4: Simplify right side
    1,121,375.04x = 987,106,556,723.54
  5. Step 5: Solve for x
    x = 987,106,556,723.54/1,121,375.04
  6. Step 6: Final answer
    x = 880,264.43

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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.