Home / 1,301,130.14-1,795,599.90-728,168.94

Finding the Fourth Proportional to 1,301,130.14, 1,795,599.90 and 728,168.94

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Solution

The fourth proportional to 1,301,130.14, 1,795,599.90 and 728,168.94 is: 1,004,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,130.14 : 1,795,599.90 = 728,168.94 : x
  2. Step 2: Convert to fraction form
    1,301,130.14/1,795,599.90 = 728,168.94/x
  3. Step 3: Cross multiply
    1,301,130.14x = 1,795,599.90 × 728,168.94
  4. Step 4: Simplify right side
    1,301,130.14x = 1,307,500,075,847.11
  5. Step 5: Solve for x
    x = 1,307,500,075,847.11/1,301,130.14
  6. Step 6: Final answer
    x = 1,004,895.70

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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.