Home / 1,326,818.40-1,831,009.88-753,859.32

Finding the Fourth Proportional to 1,326,818.40, 1,831,009.88 and 753,859.32

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Solution

The fourth proportional to 1,326,818.40, 1,831,009.88 and 753,859.32 is: 1,040,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,818.40 : 1,831,009.88 = 753,859.32 : x
  2. Step 2: Convert to fraction form
    1,326,818.40/1,831,009.88 = 753,859.32/x
  3. Step 3: Cross multiply
    1,326,818.40x = 1,831,009.88 × 753,859.32
  4. Step 4: Simplify right side
    1,326,818.40x = 1,380,323,863,050.08
  5. Step 5: Solve for x
    x = 1,380,323,863,050.08/1,326,818.40
  6. Step 6: Final answer
    x = 1,040,326.14

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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.