Home / 1,377,636.48-2,066,398.08-479,281.92

Finding the Fourth Proportional to 1,377,636.48, 2,066,398.08 and 479,281.92

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Solution

The fourth proportional to 1,377,636.48, 2,066,398.08 and 479,281.92 is: 718,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,636.48 : 2,066,398.08 = 479,281.92 : x
  2. Step 2: Convert to fraction form
    1,377,636.48/2,066,398.08 = 479,281.92/x
  3. Step 3: Cross multiply
    1,377,636.48x = 2,066,398.08 × 479,281.92
  4. Step 4: Simplify right side
    1,377,636.48x = 990,387,239,266.71
  5. Step 5: Solve for x
    x = 990,387,239,266.71/1,377,636.48
  6. Step 6: Final answer
    x = 718,903.17

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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.