Home / 1,020,051.12-1,407,614.89-561,091.62

Finding the Fourth Proportional to 1,020,051.12, 1,407,614.89 and 561,091.62

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Solution

The fourth proportional to 1,020,051.12, 1,407,614.89 and 561,091.62 is: 774,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,051.12 : 1,407,614.89 = 561,091.62 : x
  2. Step 2: Convert to fraction form
    1,020,051.12/1,407,614.89 = 561,091.62/x
  3. Step 3: Cross multiply
    1,020,051.12x = 1,407,614.89 × 561,091.62
  4. Step 4: Simplify right side
    1,020,051.12x = 789,800,918,966.22
  5. Step 5: Solve for x
    x = 789,800,918,966.22/1,020,051.12
  6. Step 6: Final answer
    x = 774,275.82

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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.