Home / 1,077,855.84-1,620,326.88-999,911.52

Finding the Fourth Proportional to 1,077,855.84, 1,620,326.88 and 999,911.52

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Solution

The fourth proportional to 1,077,855.84, 1,620,326.88 and 999,911.52 is: 1,503,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,855.84 : 1,620,326.88 = 999,911.52 : x
  2. Step 2: Convert to fraction form
    1,077,855.84/1,620,326.88 = 999,911.52/x
  3. Step 3: Cross multiply
    1,077,855.84x = 1,620,326.88 × 999,911.52
  4. Step 4: Simplify right side
    1,077,855.84x = 1,620,183,513,477.66
  5. Step 5: Solve for x
    x = 1,620,183,513,477.66/1,077,855.84
  6. Step 6: Final answer
    x = 1,503,154.18

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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.