Home / 1,020,022.19-1,407,586.24-561,107.66

Finding the Fourth Proportional to 1,020,022.19, 1,407,586.24 and 561,107.66

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Solution

The fourth proportional to 1,020,022.19, 1,407,586.24 and 561,107.66 is: 774,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,022.19 : 1,407,586.24 = 561,107.66 : x
  2. Step 2: Convert to fraction form
    1,020,022.19/1,407,586.24 = 561,107.66/x
  3. Step 3: Cross multiply
    1,020,022.19x = 1,407,586.24 × 561,107.66
  4. Step 4: Simplify right side
    1,020,022.19x = 789,807,423,490.80
  5. Step 5: Solve for x
    x = 789,807,423,490.80/1,020,022.19
  6. Step 6: Final answer
    x = 774,304.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.