Home / 1,785,658.84-2,678,488.26-788,188.12

Finding the Fourth Proportional to 1,785,658.84, 2,678,488.26 and 788,188.12

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Solution

The fourth proportional to 1,785,658.84, 2,678,488.26 and 788,188.12 is: 1,182,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,658.84 : 2,678,488.26 = 788,188.12 : x
  2. Step 2: Convert to fraction form
    1,785,658.84/2,678,488.26 = 788,188.12/x
  3. Step 3: Cross multiply
    1,785,658.84x = 2,678,488.26 × 788,188.12
  4. Step 4: Simplify right side
    1,785,658.84x = 2,111,152,626,091.47
  5. Step 5: Solve for x
    x = 2,111,152,626,091.47/1,785,658.84
  6. Step 6: Final answer
    x = 1,182,282.18

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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.