Home / 1,628,514.33-2,440,280.45-870,463.68

Finding the Fourth Proportional to 1,628,514.33, 2,440,280.45 and 870,463.68

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Solution

The fourth proportional to 1,628,514.33, 2,440,280.45 and 870,463.68 is: 1,304,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,514.33 : 2,440,280.45 = 870,463.68 : x
  2. Step 2: Convert to fraction form
    1,628,514.33/2,440,280.45 = 870,463.68/x
  3. Step 3: Cross multiply
    1,628,514.33x = 2,440,280.45 × 870,463.68
  4. Step 4: Simplify right side
    1,628,514.33x = 2,124,175,502,915.22
  5. Step 5: Solve for x
    x = 2,124,175,502,915.22/1,628,514.33
  6. Step 6: Final answer
    x = 1,304,364.02

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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.