Home / 1,189,699.60-1,779,365.40-1,064,246.80

Finding the Fourth Proportional to 1,189,699.60, 1,779,365.40 and 1,064,246.80

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Solution

The fourth proportional to 1,189,699.60, 1,779,365.40 and 1,064,246.80 is: 1,591,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,699.60 : 1,779,365.40 = 1,064,246.80 : x
  2. Step 2: Convert to fraction form
    1,189,699.60/1,779,365.40 = 1,064,246.80/x
  3. Step 3: Cross multiply
    1,189,699.60x = 1,779,365.40 × 1,064,246.80
  4. Step 4: Simplify right side
    1,189,699.60x = 1,893,683,932,980.72
  5. Step 5: Solve for x
    x = 1,893,683,932,980.72/1,189,699.60
  6. Step 6: Final answer
    x = 1,591,732.85

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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.