Home / 1,081,638.40-1,623,449.60-549,529.60

Finding the Fourth Proportional to 1,081,638.40, 1,623,449.60 and 549,529.60

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Solution

The fourth proportional to 1,081,638.40, 1,623,449.60 and 549,529.60 is: 824,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,638.40 : 1,623,449.60 = 549,529.60 : x
  2. Step 2: Convert to fraction form
    1,081,638.40/1,623,449.60 = 549,529.60/x
  3. Step 3: Cross multiply
    1,081,638.40x = 1,623,449.60 × 549,529.60
  4. Step 4: Simplify right side
    1,081,638.40x = 892,133,609,308.16
  5. Step 5: Solve for x
    x = 892,133,609,308.16/1,081,638.40
  6. Step 6: Final answer
    x = 824,798.39

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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.