Home / 1,301,320.08-1,795,830.75-757,772.82

Finding the Fourth Proportional to 1,301,320.08, 1,795,830.75 and 757,772.82

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Solution

The fourth proportional to 1,301,320.08, 1,795,830.75 and 757,772.82 is: 1,045,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,320.08 : 1,795,830.75 = 757,772.82 : x
  2. Step 2: Convert to fraction form
    1,301,320.08/1,795,830.75 = 757,772.82/x
  3. Step 3: Cross multiply
    1,301,320.08x = 1,795,830.75 × 757,772.82
  4. Step 4: Simplify right side
    1,301,320.08x = 1,360,831,731,670.21
  5. Step 5: Solve for x
    x = 1,360,831,731,670.21/1,301,320.08
  6. Step 6: Final answer
    x = 1,045,731.76

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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.