Home / 1,057,986.40-1,586,979.56-310,032.40

Finding the Fourth Proportional to 1,057,986.40, 1,586,979.56 and 310,032.40

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Solution

The fourth proportional to 1,057,986.40, 1,586,979.56 and 310,032.40 is: 465,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,986.40 : 1,586,979.56 = 310,032.40 : x
  2. Step 2: Convert to fraction form
    1,057,986.40/1,586,979.56 = 310,032.40/x
  3. Step 3: Cross multiply
    1,057,986.40x = 1,586,979.56 × 310,032.40
  4. Step 4: Simplify right side
    1,057,986.40x = 492,015,081,737.74
  5. Step 5: Solve for x
    x = 492,015,081,737.74/1,057,986.40
  6. Step 6: Final answer
    x = 465,048.59

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1.5x scale

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.