Home / 1,185,740.18-1,778,614.47-287,182.52

Finding the Fourth Proportional to 1,185,740.18, 1,778,614.47 and 287,182.52

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Solution

The fourth proportional to 1,185,740.18, 1,778,614.47 and 287,182.52 is: 430,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,740.18 : 1,778,614.47 = 287,182.52 : x
  2. Step 2: Convert to fraction form
    1,185,740.18/1,778,614.47 = 287,182.52/x
  3. Step 3: Cross multiply
    1,185,740.18x = 1,778,614.47 × 287,182.52
  4. Step 4: Simplify right side
    1,185,740.18x = 510,786,990,049.60
  5. Step 5: Solve for x
    x = 510,786,990,049.60/1,185,740.18
  6. Step 6: Final answer
    x = 430,774.80

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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.