Home / 1,029,638.40-1,544,457.60-992,313.60

Finding the Fourth Proportional to 1,029,638.40, 1,544,457.60 and 992,313.60

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Solution

The fourth proportional to 1,029,638.40, 1,544,457.60 and 992,313.60 is: 1,488,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,638.40 : 1,544,457.60 = 992,313.60 : x
  2. Step 2: Convert to fraction form
    1,029,638.40/1,544,457.60 = 992,313.60/x
  3. Step 3: Cross multiply
    1,029,638.40x = 1,544,457.60 × 992,313.60
  4. Step 4: Simplify right side
    1,029,638.40x = 1,532,586,281,103.36
  5. Step 5: Solve for x
    x = 1,532,586,281,103.36/1,029,638.40
  6. Step 6: Final answer
    x = 1,488,470.40

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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.