Home / 1,064,009.60-1,596,014.40-728,086.40

Finding the Fourth Proportional to 1,064,009.60, 1,596,014.40 and 728,086.40

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Solution

The fourth proportional to 1,064,009.60, 1,596,014.40 and 728,086.40 is: 1,092,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,009.60 : 1,596,014.40 = 728,086.40 : x
  2. Step 2: Convert to fraction form
    1,064,009.60/1,596,014.40 = 728,086.40/x
  3. Step 3: Cross multiply
    1,064,009.60x = 1,596,014.40 × 728,086.40
  4. Step 4: Simplify right side
    1,064,009.60x = 1,162,036,378,844.16
  5. Step 5: Solve for x
    x = 1,162,036,378,844.16/1,064,009.60
  6. Step 6: Final answer
    x = 1,092,129.60

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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.