Home / 1,312,089.68-1,810,675.70-739,314.38

Finding the Fourth Proportional to 1,312,089.68, 1,810,675.70 and 739,314.38

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Solution

The fourth proportional to 1,312,089.68, 1,810,675.70 and 739,314.38 is: 1,020,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,089.68 : 1,810,675.70 = 739,314.38 : x
  2. Step 2: Convert to fraction form
    1,312,089.68/1,810,675.70 = 739,314.38/x
  3. Step 3: Cross multiply
    1,312,089.68x = 1,810,675.70 × 739,314.38
  4. Step 4: Simplify right side
    1,312,089.68x = 1,338,658,583,356.68
  5. Step 5: Solve for x
    x = 1,338,658,583,356.68/1,312,089.68
  6. Step 6: Final answer
    x = 1,020,249.30

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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.