Home / 1,415,253.90-1,953,031.10-803,401.32

Finding the Fourth Proportional to 1,415,253.90, 1,953,031.10 and 803,401.32

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Solution

The fourth proportional to 1,415,253.90, 1,953,031.10 and 803,401.32 is: 1,108,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,253.90 : 1,953,031.10 = 803,401.32 : x
  2. Step 2: Convert to fraction form
    1,415,253.90/1,953,031.10 = 803,401.32/x
  3. Step 3: Cross multiply
    1,415,253.90x = 1,953,031.10 × 803,401.32
  4. Step 4: Simplify right side
    1,415,253.90x = 1,569,067,763,741.05
  5. Step 5: Solve for x
    x = 1,569,067,763,741.05/1,415,253.90
  6. Step 6: Final answer
    x = 1,108,682.88

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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.