Home / 1,310,516.40-1,809,070.54-881,045.76

Finding the Fourth Proportional to 1,310,516.40, 1,809,070.54 and 881,045.76

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Solution

The fourth proportional to 1,310,516.40, 1,809,070.54 and 881,045.76 is: 1,216,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,516.40 : 1,809,070.54 = 881,045.76 : x
  2. Step 2: Convert to fraction form
    1,310,516.40/1,809,070.54 = 881,045.76/x
  3. Step 3: Cross multiply
    1,310,516.40x = 1,809,070.54 × 881,045.76
  4. Step 4: Simplify right side
    1,310,516.40x = 1,593,873,928,807.91
  5. Step 5: Solve for x
    x = 1,593,873,928,807.91/1,310,516.40
  6. Step 6: Final answer
    x = 1,216,218.22

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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.