Home / 1,666,311.60-2,299,498.56-902,347.68

Finding the Fourth Proportional to 1,666,311.60, 2,299,498.56 and 902,347.68

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Solution

The fourth proportional to 1,666,311.60, 2,299,498.56 and 902,347.68 is: 1,245,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,311.60 : 2,299,498.56 = 902,347.68 : x
  2. Step 2: Convert to fraction form
    1,666,311.60/2,299,498.56 = 902,347.68/x
  3. Step 3: Cross multiply
    1,666,311.60x = 2,299,498.56 × 902,347.68
  4. Step 4: Simplify right side
    1,666,311.60x = 2,074,947,190,779.34
  5. Step 5: Solve for x
    x = 2,074,947,190,779.34/1,666,311.60
  6. Step 6: Final answer
    x = 1,245,233.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.