Home / 1,057,118.45-1,585,663.90-258,407.01

Finding the Fourth Proportional to 1,057,118.45, 1,585,663.90 and 258,407.01

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Solution

The fourth proportional to 1,057,118.45, 1,585,663.90 and 258,407.01 is: 387,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,118.45 : 1,585,663.90 = 258,407.01 : x
  2. Step 2: Convert to fraction form
    1,057,118.45/1,585,663.90 = 258,407.01/x
  3. Step 3: Cross multiply
    1,057,118.45x = 1,585,663.90 × 258,407.01
  4. Step 4: Simplify right side
    1,057,118.45x = 409,746,666,617.92
  5. Step 5: Solve for x
    x = 409,746,666,617.92/1,057,118.45
  6. Step 6: Final answer
    x = 387,607.15

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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.