Home / 1,018,714.50-1,525,744.89-486,612

Finding the Fourth Proportional to 1,018,714.50, 1,525,744.89 and 486,612

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Solution

The fourth proportional to 1,018,714.50, 1,525,744.89 and 486,612 is: 728,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,714.50 : 1,525,744.89 = 486,612 : x
  2. Step 2: Convert to fraction form
    1,018,714.50/1,525,744.89 = 486,612/x
  3. Step 3: Cross multiply
    1,018,714.50x = 1,525,744.89 × 486,612
  4. Step 4: Simplify right side
    1,018,714.50x = 742,445,772,412.68
  5. Step 5: Solve for x
    x = 742,445,772,412.68/1,018,714.50
  6. Step 6: Final answer
    x = 728,806.52

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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.