Home / 1,875,726.72-2,813,015.52-677,501.28

Finding the Fourth Proportional to 1,875,726.72, 2,813,015.52 and 677,501.28

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Solution

The fourth proportional to 1,875,726.72, 2,813,015.52 and 677,501.28 is: 1,016,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,726.72 : 2,813,015.52 = 677,501.28 : x
  2. Step 2: Convert to fraction form
    1,875,726.72/2,813,015.52 = 677,501.28/x
  3. Step 3: Cross multiply
    1,875,726.72x = 2,813,015.52 × 677,501.28
  4. Step 4: Simplify right side
    1,875,726.72x = 1,905,821,615,459.87
  5. Step 5: Solve for x
    x = 1,905,821,615,459.87/1,875,726.72
  6. Step 6: Final answer
    x = 1,016,044.39

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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.