Home / 1,676,467.36-2,514,724.16-478,389.36

Finding the Fourth Proportional to 1,676,467.36, 2,514,724.16 and 478,389.36

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Solution

The fourth proportional to 1,676,467.36, 2,514,724.16 and 478,389.36 is: 717,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,467.36 : 2,514,724.16 = 478,389.36 : x
  2. Step 2: Convert to fraction form
    1,676,467.36/2,514,724.16 = 478,389.36/x
  3. Step 3: Cross multiply
    1,676,467.36x = 2,514,724.16 × 478,389.36
  4. Step 4: Simplify right side
    1,676,467.36x = 1,203,017,281,478.94
  5. Step 5: Solve for x
    x = 1,203,017,281,478.94/1,676,467.36
  6. Step 6: Final answer
    x = 717,590.64

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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.