Home / 1,283,779.80-1,927,052.10-723,907.80

Finding the Fourth Proportional to 1,283,779.80, 1,927,052.10 and 723,907.80

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Solution

The fourth proportional to 1,283,779.80, 1,927,052.10 and 723,907.80 is: 1,086,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,779.80 : 1,927,052.10 = 723,907.80 : x
  2. Step 2: Convert to fraction form
    1,283,779.80/1,927,052.10 = 723,907.80/x
  3. Step 3: Cross multiply
    1,283,779.80x = 1,927,052.10 × 723,907.80
  4. Step 4: Simplify right side
    1,283,779.80x = 1,395,008,046,196.38
  5. Step 5: Solve for x
    x = 1,395,008,046,196.38/1,283,779.80
  6. Step 6: Final answer
    x = 1,086,641.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.