Home / 1,186,856.77-1,780,284.61-788,275.57

Finding the Fourth Proportional to 1,186,856.77, 1,780,284.61 and 788,275.57

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Solution

The fourth proportional to 1,186,856.77, 1,780,284.61 and 788,275.57 is: 1,182,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,856.77 : 1,780,284.61 = 788,275.57 : x
  2. Step 2: Convert to fraction form
    1,186,856.77/1,780,284.61 = 788,275.57/x
  3. Step 3: Cross multiply
    1,186,856.77x = 1,780,284.61 × 788,275.57
  4. Step 4: Simplify right side
    1,186,856.77x = 1,403,354,865,709.98
  5. Step 5: Solve for x
    x = 1,403,354,865,709.98/1,186,856.77
  6. Step 6: Final answer
    x = 1,182,412.99

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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.