Home / 1,057,430.43-1,585,653.57-383,484.51

Finding the Fourth Proportional to 1,057,430.43, 1,585,653.57 and 383,484.51

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Solution

The fourth proportional to 1,057,430.43, 1,585,653.57 and 383,484.51 is: 575,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,430.43 : 1,585,653.57 = 383,484.51 : x
  2. Step 2: Convert to fraction form
    1,057,430.43/1,585,653.57 = 383,484.51/x
  3. Step 3: Cross multiply
    1,057,430.43x = 1,585,653.57 × 383,484.51
  4. Step 4: Simplify right side
    1,057,430.43x = 608,073,582,321.20
  5. Step 5: Solve for x
    x = 608,073,582,321.20/1,057,430.43
  6. Step 6: Final answer
    x = 575,048.31

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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.