Home / 1,075,616.70-1,613,425.05-902,406.30

Finding the Fourth Proportional to 1,075,616.70, 1,613,425.05 and 902,406.30

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Solution

The fourth proportional to 1,075,616.70, 1,613,425.05 and 902,406.30 is: 1,353,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,616.70 : 1,613,425.05 = 902,406.30 : x
  2. Step 2: Convert to fraction form
    1,075,616.70/1,613,425.05 = 902,406.30/x
  3. Step 3: Cross multiply
    1,075,616.70x = 1,613,425.05 × 902,406.30
  4. Step 4: Simplify right side
    1,075,616.70x = 1,455,964,929,697.82
  5. Step 5: Solve for x
    x = 1,455,964,929,697.82/1,075,616.70
  6. Step 6: Final answer
    x = 1,353,609.45

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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.