Home / 1,660,560-2,490,842.40-462,485.76

Finding the Fourth Proportional to 1,660,560, 2,490,842.40 and 462,485.76

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Solution

The fourth proportional to 1,660,560, 2,490,842.40 and 462,485.76 is: 693,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,560 : 2,490,842.40 = 462,485.76 : x
  2. Step 2: Convert to fraction form
    1,660,560/2,490,842.40 = 462,485.76/x
  3. Step 3: Cross multiply
    1,660,560x = 2,490,842.40 × 462,485.76
  4. Step 4: Simplify right side
    1,660,560x = 1,151,979,140,404.22
  5. Step 5: Solve for x
    x = 1,151,979,140,404.22/1,660,560
  6. Step 6: Final answer
    x = 693,729.31

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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.