Home / 1,090,718.97-1,636,825.68-380,746.88

Finding the Fourth Proportional to 1,090,718.97, 1,636,825.68 and 380,746.88

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Solution

The fourth proportional to 1,090,718.97, 1,636,825.68 and 380,746.88 is: 571,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,718.97 : 1,636,825.68 = 380,746.88 : x
  2. Step 2: Convert to fraction form
    1,090,718.97/1,636,825.68 = 380,746.88/x
  3. Step 3: Cross multiply
    1,090,718.97x = 1,636,825.68 × 380,746.88
  4. Step 4: Simplify right side
    1,090,718.97x = 623,216,260,676.02
  5. Step 5: Solve for x
    x = 623,216,260,676.02/1,090,718.97
  6. Step 6: Final answer
    x = 571,381.15

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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.