Home / 1,377,357.60-2,066,408.16-478,849.11

Finding the Fourth Proportional to 1,377,357.60, 2,066,408.16 and 478,849.11

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Solution

The fourth proportional to 1,377,357.60, 2,066,408.16 and 478,849.11 is: 718,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,357.60 : 2,066,408.16 = 478,849.11 : x
  2. Step 2: Convert to fraction form
    1,377,357.60/2,066,408.16 = 478,849.11/x
  3. Step 3: Cross multiply
    1,377,357.60x = 2,066,408.16 × 478,849.11
  4. Step 4: Simplify right side
    1,377,357.60x = 989,497,708,312.74
  5. Step 5: Solve for x
    x = 989,497,708,312.74/1,377,357.60
  6. Step 6: Final answer
    x = 718,402.91

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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.