Home / 1,404,493.40-2,103,176.10-772,693.40

Finding the Fourth Proportional to 1,404,493.40, 2,103,176.10 and 772,693.40

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Solution

The fourth proportional to 1,404,493.40, 2,103,176.10 and 772,693.40 is: 1,157,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,493.40 : 2,103,176.10 = 772,693.40 : x
  2. Step 2: Convert to fraction form
    1,404,493.40/2,103,176.10 = 772,693.40/x
  3. Step 3: Cross multiply
    1,404,493.40x = 2,103,176.10 × 772,693.40
  4. Step 4: Simplify right side
    1,404,493.40x = 1,625,110,291,507.74
  5. Step 5: Solve for x
    x = 1,625,110,291,507.74/1,404,493.40
  6. Step 6: Final answer
    x = 1,157,079.34

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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.