Home / 786,986.64-1,180,475.58-680,045.42

Finding the Fourth Proportional to 786,986.64, 1,180,475.58 and 680,045.42

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Solution

The fourth proportional to 786,986.64, 1,180,475.58 and 680,045.42 is: 1,020,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,986.64 : 1,180,475.58 = 680,045.42 : x
  2. Step 2: Convert to fraction form
    786,986.64/1,180,475.58 = 680,045.42/x
  3. Step 3: Cross multiply
    786,986.64x = 1,180,475.58 × 680,045.42
  4. Step 4: Simplify right side
    786,986.64x = 802,777,011,600.84
  5. Step 5: Solve for x
    x = 802,777,011,600.84/786,986.64
  6. Step 6: Final answer
    x = 1,020,064.35

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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.