Home / 1,377,516-2,066,320.14-478,965.52

Finding the Fourth Proportional to 1,377,516, 2,066,320.14 and 478,965.52

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Solution

The fourth proportional to 1,377,516, 2,066,320.14 and 478,965.52 is: 718,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,516 : 2,066,320.14 = 478,965.52 : x
  2. Step 2: Convert to fraction form
    1,377,516/2,066,320.14 = 478,965.52/x
  3. Step 3: Cross multiply
    1,377,516x = 2,066,320.14 × 478,965.52
  4. Step 4: Simplify right side
    1,377,516x = 989,696,087,615.15
  5. Step 5: Solve for x
    x = 989,696,087,615.15/1,377,516
  6. Step 6: Final answer
    x = 718,464.31

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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.