Home / 1,604,507.05-2,406,742.02-390,090.56

Finding the Fourth Proportional to 1,604,507.05, 2,406,742.02 and 390,090.56

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Solution

The fourth proportional to 1,604,507.05, 2,406,742.02 and 390,090.56 is: 585,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,507.05 : 2,406,742.02 = 390,090.56 : x
  2. Step 2: Convert to fraction form
    1,604,507.05/2,406,742.02 = 390,090.56/x
  3. Step 3: Cross multiply
    1,604,507.05x = 2,406,742.02 × 390,090.56
  4. Step 4: Simplify right side
    1,604,507.05x = 938,847,331,420.75
  5. Step 5: Solve for x
    x = 938,847,331,420.75/1,604,507.05
  6. Step 6: Final answer
    x = 585,131.32

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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.