Home / 1,303,445.06-1,798,860.18-722,725.82

Finding the Fourth Proportional to 1,303,445.06, 1,798,860.18 and 722,725.82

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Solution

The fourth proportional to 1,303,445.06, 1,798,860.18 and 722,725.82 is: 997,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,445.06 : 1,798,860.18 = 722,725.82 : x
  2. Step 2: Convert to fraction form
    1,303,445.06/1,798,860.18 = 722,725.82/x
  3. Step 3: Cross multiply
    1,303,445.06x = 1,798,860.18 × 722,725.82
  4. Step 4: Simplify right side
    1,303,445.06x = 1,300,082,699,117.49
  5. Step 5: Solve for x
    x = 1,300,082,699,117.49/1,303,445.06
  6. Step 6: Final answer
    x = 997,420.41

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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.