Home / 1,807,846.31-2,712,529.86-1,125,303.76

Finding the Fourth Proportional to 1,807,846.31, 2,712,529.86 and 1,125,303.76

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Solution

The fourth proportional to 1,807,846.31, 2,712,529.86 and 1,125,303.76 is: 1,688,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,846.31 : 2,712,529.86 = 1,125,303.76 : x
  2. Step 2: Convert to fraction form
    1,807,846.31/2,712,529.86 = 1,125,303.76/x
  3. Step 3: Cross multiply
    1,807,846.31x = 2,712,529.86 × 1,125,303.76
  4. Step 4: Simplify right side
    1,807,846.31x = 3,052,420,049,741.05
  5. Step 5: Solve for x
    x = 3,052,420,049,741.05/1,807,846.31
  6. Step 6: Final answer
    x = 1,688,428.95

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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.