Home / 1,666,375.60-2,299,586.88-902,411.68

Finding the Fourth Proportional to 1,666,375.60, 2,299,586.88 and 902,411.68

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Solution

The fourth proportional to 1,666,375.60, 2,299,586.88 and 902,411.68 is: 1,245,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,375.60 : 2,299,586.88 = 902,411.68 : x
  2. Step 2: Convert to fraction form
    1,666,375.60/2,299,586.88 = 902,411.68/x
  3. Step 3: Cross multiply
    1,666,375.60x = 2,299,586.88 × 902,411.68
  4. Step 4: Simplify right side
    1,666,375.60x = 2,075,174,059,686.76
  5. Step 5: Solve for x
    x = 2,075,174,059,686.76/1,666,375.60
  6. Step 6: Final answer
    x = 1,245,321.92

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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.