Home / 1,470,613.23-2,029,495.49-817,266.78

Finding the Fourth Proportional to 1,470,613.23, 2,029,495.49 and 817,266.78

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Solution

The fourth proportional to 1,470,613.23, 2,029,495.49 and 817,266.78 is: 1,127,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,613.23 : 2,029,495.49 = 817,266.78 : x
  2. Step 2: Convert to fraction form
    1,470,613.23/2,029,495.49 = 817,266.78/x
  3. Step 3: Cross multiply
    1,470,613.23x = 2,029,495.49 × 817,266.78
  4. Step 4: Simplify right side
    1,470,613.23x = 1,658,639,240,050.49
  5. Step 5: Solve for x
    x = 1,658,639,240,050.49/1,470,613.23
  6. Step 6: Final answer
    x = 1,127,855.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.