Home / 1,020,023.56-1,407,588.09-561,109.02

Finding the Fourth Proportional to 1,020,023.56, 1,407,588.09 and 561,109.02

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Solution

The fourth proportional to 1,020,023.56, 1,407,588.09 and 561,109.02 is: 774,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,023.56 : 1,407,588.09 = 561,109.02 : x
  2. Step 2: Convert to fraction form
    1,020,023.56/1,407,588.09 = 561,109.02/x
  3. Step 3: Cross multiply
    1,020,023.56x = 1,407,588.09 × 561,109.02
  4. Step 4: Simplify right side
    1,020,023.56x = 789,810,378,223.91
  5. Step 5: Solve for x
    x = 789,810,378,223.91/1,020,023.56
  6. Step 6: Final answer
    x = 774,306.02

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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.