Home / 1,283,271.72-1,771,309.80-739,771.02

Finding the Fourth Proportional to 1,283,271.72, 1,771,309.80 and 739,771.02

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Solution

The fourth proportional to 1,283,271.72, 1,771,309.80 and 739,771.02 is: 1,021,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,271.72 : 1,771,309.80 = 739,771.02 : x
  2. Step 2: Convert to fraction form
    1,283,271.72/1,771,309.80 = 739,771.02/x
  3. Step 3: Cross multiply
    1,283,271.72x = 1,771,309.80 × 739,771.02
  4. Step 4: Simplify right side
    1,283,271.72x = 1,310,363,657,482.00
  5. Step 5: Solve for x
    x = 1,310,363,657,482.00/1,283,271.72
  6. Step 6: Final answer
    x = 1,021,111.61

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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.