Home / 1,075,409.90-1,613,114.85-1,058,821.10

Finding the Fourth Proportional to 1,075,409.90, 1,613,114.85 and 1,058,821.10

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Solution

The fourth proportional to 1,075,409.90, 1,613,114.85 and 1,058,821.10 is: 1,588,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,409.90 : 1,613,114.85 = 1,058,821.10 : x
  2. Step 2: Convert to fraction form
    1,075,409.90/1,613,114.85 = 1,058,821.10/x
  3. Step 3: Cross multiply
    1,075,409.90x = 1,613,114.85 × 1,058,821.10
  4. Step 4: Simplify right side
    1,075,409.90x = 1,708,000,039,903.34
  5. Step 5: Solve for x
    x = 1,708,000,039,903.34/1,075,409.90
  6. Step 6: Final answer
    x = 1,588,231.65

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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.