Home / 1,635,322.40-2,452,108.80-687,622.40

Finding the Fourth Proportional to 1,635,322.40, 2,452,108.80 and 687,622.40

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Solution

The fourth proportional to 1,635,322.40, 2,452,108.80 and 687,622.40 is: 1,031,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,322.40 : 2,452,108.80 = 687,622.40 : x
  2. Step 2: Convert to fraction form
    1,635,322.40/2,452,108.80 = 687,622.40/x
  3. Step 3: Cross multiply
    1,635,322.40x = 2,452,108.80 × 687,622.40
  4. Step 4: Simplify right side
    1,635,322.40x = 1,686,124,938,117.12
  5. Step 5: Solve for x
    x = 1,686,124,938,117.12/1,635,322.40
  6. Step 6: Final answer
    x = 1,031,065.76

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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.