Home / 1,201,322.10-1,657,660.50-717,784.50

Finding the Fourth Proportional to 1,201,322.10, 1,657,660.50 and 717,784.50

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Solution

The fourth proportional to 1,201,322.10, 1,657,660.50 and 717,784.50 is: 990,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,322.10 : 1,657,660.50 = 717,784.50 : x
  2. Step 2: Convert to fraction form
    1,201,322.10/1,657,660.50 = 717,784.50/x
  3. Step 3: Cross multiply
    1,201,322.10x = 1,657,660.50 × 717,784.50
  4. Step 4: Simplify right side
    1,201,322.10x = 1,189,843,013,162.25
  5. Step 5: Solve for x
    x = 1,189,843,013,162.25/1,201,322.10
  6. Step 6: Final answer
    x = 990,444.62

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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.