Home / 786,987.64-1,180,477.08-680,046.42

Finding the Fourth Proportional to 786,987.64, 1,180,477.08 and 680,046.42

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Solution

The fourth proportional to 786,987.64, 1,180,477.08 and 680,046.42 is: 1,020,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,987.64 : 1,180,477.08 = 680,046.42 : x
  2. Step 2: Convert to fraction form
    786,987.64/1,180,477.08 = 680,046.42/x
  3. Step 3: Cross multiply
    786,987.64x = 1,180,477.08 × 680,046.42
  4. Step 4: Simplify right side
    786,987.64x = 802,779,212,146.05
  5. Step 5: Solve for x
    x = 802,779,212,146.05/786,987.64
  6. Step 6: Final answer
    x = 1,020,065.85

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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.