Home / 1,312,031.14-1,968,159.48-365,401.86

Finding the Fourth Proportional to 1,312,031.14, 1,968,159.48 and 365,401.86

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Solution

The fourth proportional to 1,312,031.14, 1,968,159.48 and 365,401.86 is: 548,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,031.14 : 1,968,159.48 = 365,401.86 : x
  2. Step 2: Convert to fraction form
    1,312,031.14/1,968,159.48 = 365,401.86/x
  3. Step 3: Cross multiply
    1,312,031.14x = 1,968,159.48 × 365,401.86
  4. Step 4: Simplify right side
    1,312,031.14x = 719,169,134,768.63
  5. Step 5: Solve for x
    x = 719,169,134,768.63/1,312,031.14
  6. Step 6: Final answer
    x = 548,134.20

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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.