Home / 1,137,907.68-1,570,343.39-679,288.38

Finding the Fourth Proportional to 1,137,907.68, 1,570,343.39 and 679,288.38

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Solution

The fourth proportional to 1,137,907.68, 1,570,343.39 and 679,288.38 is: 937,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,907.68 : 1,570,343.39 = 679,288.38 : x
  2. Step 2: Convert to fraction form
    1,137,907.68/1,570,343.39 = 679,288.38/x
  3. Step 3: Cross multiply
    1,137,907.68x = 1,570,343.39 × 679,288.38
  4. Step 4: Simplify right side
    1,137,907.68x = 1,066,716,017,436.81
  5. Step 5: Solve for x
    x = 1,066,716,017,436.81/1,137,907.68
  6. Step 6: Final answer
    x = 937,436.35

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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.