Home / 1,070,264.96-1,605,665.34-312,106.50

Finding the Fourth Proportional to 1,070,264.96, 1,605,665.34 and 312,106.50

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Solution

The fourth proportional to 1,070,264.96, 1,605,665.34 and 312,106.50 is: 468,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,264.96 : 1,605,665.34 = 312,106.50 : x
  2. Step 2: Convert to fraction form
    1,070,264.96/1,605,665.34 = 312,106.50/x
  3. Step 3: Cross multiply
    1,070,264.96x = 1,605,665.34 × 312,106.50
  4. Step 4: Simplify right side
    1,070,264.96x = 501,138,589,438.71
  5. Step 5: Solve for x
    x = 501,138,589,438.71/1,070,264.96
  6. Step 6: Final answer
    x = 468,237.88

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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.