Home / 1,310,485.01-1,966,008.15-742,134.74

Finding the Fourth Proportional to 1,310,485.01, 1,966,008.15 and 742,134.74

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Solution

The fourth proportional to 1,310,485.01, 1,966,008.15 and 742,134.74 is: 1,113,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,485.01 : 1,966,008.15 = 742,134.74 : x
  2. Step 2: Convert to fraction form
    1,310,485.01/1,966,008.15 = 742,134.74/x
  3. Step 3: Cross multiply
    1,310,485.01x = 1,966,008.15 × 742,134.74
  4. Step 4: Simplify right side
    1,310,485.01x = 1,459,042,937,408.09
  5. Step 5: Solve for x
    x = 1,459,042,937,408.09/1,310,485.01
  6. Step 6: Final answer
    x = 1,113,361.03

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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.