Home / 1,252,496-1,728,448.80-679,538.72

Finding the Fourth Proportional to 1,252,496, 1,728,448.80 and 679,538.72

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Solution

The fourth proportional to 1,252,496, 1,728,448.80 and 679,538.72 is: 937,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,496 : 1,728,448.80 = 679,538.72 : x
  2. Step 2: Convert to fraction form
    1,252,496/1,728,448.80 = 679,538.72/x
  3. Step 3: Cross multiply
    1,252,496x = 1,728,448.80 × 679,538.72
  4. Step 4: Simplify right side
    1,252,496x = 1,174,547,885,137.54
  5. Step 5: Solve for x
    x = 1,174,547,885,137.54/1,252,496
  6. Step 6: Final answer
    x = 937,765.78

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1.5x scale

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.