Home / 1,031,421-1,423,385.50-578,745.48

Finding the Fourth Proportional to 1,031,421, 1,423,385.50 and 578,745.48

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Solution

The fourth proportional to 1,031,421, 1,423,385.50 and 578,745.48 is: 798,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,421 : 1,423,385.50 = 578,745.48 : x
  2. Step 2: Convert to fraction form
    1,031,421/1,423,385.50 = 578,745.48/x
  3. Step 3: Cross multiply
    1,031,421x = 1,423,385.50 × 578,745.48
  4. Step 4: Simplify right side
    1,031,421x = 823,777,924,422.54
  5. Step 5: Solve for x
    x = 823,777,924,422.54/1,031,421
  6. Step 6: Final answer
    x = 798,682.52

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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.