Home / 1,326,634.40-1,990,722.96-558,075.76

Finding the Fourth Proportional to 1,326,634.40, 1,990,722.96 and 558,075.76

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Solution

The fourth proportional to 1,326,634.40, 1,990,722.96 and 558,075.76 is: 837,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,634.40 : 1,990,722.96 = 558,075.76 : x
  2. Step 2: Convert to fraction form
    1,326,634.40/1,990,722.96 = 558,075.76/x
  3. Step 3: Cross multiply
    1,326,634.40x = 1,990,722.96 × 558,075.76
  4. Step 4: Simplify right side
    1,326,634.40x = 1,110,974,223,874.64
  5. Step 5: Solve for x
    x = 1,110,974,223,874.64/1,326,634.40
  6. Step 6: Final answer
    x = 837,438.12

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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.