Home / 1,315,764.24-1,815,561.41-734,915.81

Finding the Fourth Proportional to 1,315,764.24, 1,815,561.41 and 734,915.81

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Solution

The fourth proportional to 1,315,764.24, 1,815,561.41 and 734,915.81 is: 1,014,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,764.24 : 1,815,561.41 = 734,915.81 : x
  2. Step 2: Convert to fraction form
    1,315,764.24/1,815,561.41 = 734,915.81/x
  3. Step 3: Cross multiply
    1,315,764.24x = 1,815,561.41 × 734,915.81
  4. Step 4: Simplify right side
    1,315,764.24x = 1,334,284,771,482.51
  5. Step 5: Solve for x
    x = 1,334,284,771,482.51/1,315,764.24
  6. Step 6: Final answer
    x = 1,014,075.87

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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.