Home / 1,490,300.67-2,056,497.66-845,720.85

Finding the Fourth Proportional to 1,490,300.67, 2,056,497.66 and 845,720.85

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Solution

The fourth proportional to 1,490,300.67, 2,056,497.66 and 845,720.85 is: 1,167,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,300.67 : 2,056,497.66 = 845,720.85 : x
  2. Step 2: Convert to fraction form
    1,490,300.67/2,056,497.66 = 845,720.85/x
  3. Step 3: Cross multiply
    1,490,300.67x = 2,056,497.66 × 845,720.85
  4. Step 4: Simplify right side
    1,490,300.67x = 1,739,222,949,038.21
  5. Step 5: Solve for x
    x = 1,739,222,949,038.21/1,490,300.67
  6. Step 6: Final answer
    x = 1,167,028.23

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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.