Home / 1,604,507.47-2,406,742.65-390,090.98

Finding the Fourth Proportional to 1,604,507.47, 2,406,742.65 and 390,090.98

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Solution

The fourth proportional to 1,604,507.47, 2,406,742.65 and 390,090.98 is: 585,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,507.47 : 2,406,742.65 = 390,090.98 : x
  2. Step 2: Convert to fraction form
    1,604,507.47/2,406,742.65 = 390,090.98/x
  3. Step 3: Cross multiply
    1,604,507.47x = 2,406,742.65 × 390,090.98
  4. Step 4: Simplify right side
    1,604,507.47x = 938,848,604,963.15
  5. Step 5: Solve for x
    x = 938,848,604,963.15/1,604,507.47
  6. Step 6: Final answer
    x = 585,131.96

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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.