Home / 1,486,794.64-2,229,855.60-687,637.48

Finding the Fourth Proportional to 1,486,794.64, 2,229,855.60 and 687,637.48

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Solution

The fourth proportional to 1,486,794.64, 2,229,855.60 and 687,637.48 is: 1,031,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,794.64 : 2,229,855.60 = 687,637.48 : x
  2. Step 2: Convert to fraction form
    1,486,794.64/2,229,855.60 = 687,637.48/x
  3. Step 3: Cross multiply
    1,486,794.64x = 2,229,855.60 × 687,637.48
  4. Step 4: Simplify right side
    1,486,794.64x = 1,533,332,285,547.89
  5. Step 5: Solve for x
    x = 1,533,332,285,547.89/1,486,794.64
  6. Step 6: Final answer
    x = 1,031,300.65

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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.