Home / 1,556,151.40-2,331,602.70-1,288,462.60

Finding the Fourth Proportional to 1,556,151.40, 2,331,602.70 and 1,288,462.60

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Solution

The fourth proportional to 1,556,151.40, 2,331,602.70 and 1,288,462.60 is: 1,930,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,151.40 : 2,331,602.70 = 1,288,462.60 : x
  2. Step 2: Convert to fraction form
    1,556,151.40/2,331,602.70 = 1,288,462.60/x
  3. Step 3: Cross multiply
    1,556,151.40x = 2,331,602.70 × 1,288,462.60
  4. Step 4: Simplify right side
    1,556,151.40x = 3,004,182,877,009.02
  5. Step 5: Solve for x
    x = 3,004,182,877,009.02/1,556,151.40
  6. Step 6: Final answer
    x = 1,930,520.95

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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.