Home / 1,433,283.15-1,977,905.72-779,887.13

Finding the Fourth Proportional to 1,433,283.15, 1,977,905.72 and 779,887.13

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Solution

The fourth proportional to 1,433,283.15, 1,977,905.72 and 779,887.13 is: 1,076,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,283.15 : 1,977,905.72 = 779,887.13 : x
  2. Step 2: Convert to fraction form
    1,433,283.15/1,977,905.72 = 779,887.13/x
  3. Step 3: Cross multiply
    1,433,283.15x = 1,977,905.72 × 779,887.13
  4. Step 4: Simplify right side
    1,433,283.15x = 1,542,543,213,019.22
  5. Step 5: Solve for x
    x = 1,542,543,213,019.22/1,433,283.15
  6. Step 6: Final answer
    x = 1,076,230.62

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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.