Home / 1,312,795.90-1,811,633.24-739,824.58

Finding the Fourth Proportional to 1,312,795.90, 1,811,633.24 and 739,824.58

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Solution

The fourth proportional to 1,312,795.90, 1,811,633.24 and 739,824.58 is: 1,020,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,795.90 : 1,811,633.24 = 739,824.58 : x
  2. Step 2: Convert to fraction form
    1,312,795.90/1,811,633.24 = 739,824.58/x
  3. Step 3: Cross multiply
    1,312,795.90x = 1,811,633.24 × 739,824.58
  4. Step 4: Simplify right side
    1,312,795.90x = 1,340,290,800,897.04
  5. Step 5: Solve for x
    x = 1,340,290,800,897.04/1,312,795.90
  6. Step 6: Final answer
    x = 1,020,943.77

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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.