Home / 1,711,789.47-2,362,240.62-947,826.63

Finding the Fourth Proportional to 1,711,789.47, 2,362,240.62 and 947,826.63

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Solution

The fourth proportional to 1,711,789.47, 2,362,240.62 and 947,826.63 is: 1,307,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,789.47 : 2,362,240.62 = 947,826.63 : x
  2. Step 2: Convert to fraction form
    1,711,789.47/2,362,240.62 = 947,826.63/x
  3. Step 3: Cross multiply
    1,711,789.47x = 2,362,240.62 × 947,826.63
  4. Step 4: Simplify right side
    1,711,789.47x = 2,238,994,566,103.71
  5. Step 5: Solve for x
    x = 2,238,994,566,103.71/1,711,789.47
  6. Step 6: Final answer
    x = 1,307,984.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.