Home / 1,654,421.85-2,479,487.23-742,931.28

Finding the Fourth Proportional to 1,654,421.85, 2,479,487.23 and 742,931.28

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Solution

The fourth proportional to 1,654,421.85, 2,479,487.23 and 742,931.28 is: 1,113,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,421.85 : 2,479,487.23 = 742,931.28 : x
  2. Step 2: Convert to fraction form
    1,654,421.85/2,479,487.23 = 742,931.28/x
  3. Step 3: Cross multiply
    1,654,421.85x = 2,479,487.23 × 742,931.28
  4. Step 4: Simplify right side
    1,654,421.85x = 1,842,088,621,527.55
  5. Step 5: Solve for x
    x = 1,842,088,621,527.55/1,654,421.85
  6. Step 6: Final answer
    x = 1,113,433.45

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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.