Home / 1,643,006.20-2,267,267.16-917,709.52

Finding the Fourth Proportional to 1,643,006.20, 2,267,267.16 and 917,709.52

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Solution

The fourth proportional to 1,643,006.20, 2,267,267.16 and 917,709.52 is: 1,266,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,006.20 : 2,267,267.16 = 917,709.52 : x
  2. Step 2: Convert to fraction form
    1,643,006.20/2,267,267.16 = 917,709.52/x
  3. Step 3: Cross multiply
    1,643,006.20x = 2,267,267.16 × 917,709.52
  4. Step 4: Simplify right side
    1,643,006.20x = 2,080,692,657,115.36
  5. Step 5: Solve for x
    x = 2,080,692,657,115.36/1,643,006.20
  6. Step 6: Final answer
    x = 1,266,393.67

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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.