Home / 1,248,593.40-1,868,742.90-875,345.40

Finding the Fourth Proportional to 1,248,593.40, 1,868,742.90 and 875,345.40

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Solution

The fourth proportional to 1,248,593.40, 1,868,742.90 and 875,345.40 is: 1,310,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,593.40 : 1,868,742.90 = 875,345.40 : x
  2. Step 2: Convert to fraction form
    1,248,593.40/1,868,742.90 = 875,345.40/x
  3. Step 3: Cross multiply
    1,248,593.40x = 1,868,742.90 × 875,345.40
  4. Step 4: Simplify right side
    1,248,593.40x = 1,635,795,501,297.66
  5. Step 5: Solve for x
    x = 1,635,795,501,297.66/1,248,593.40
  6. Step 6: Final answer
    x = 1,310,110.64

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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.