Home / 1,574,397.60-2,361,013.20-509,474.40

Finding the Fourth Proportional to 1,574,397.60, 2,361,013.20 and 509,474.40

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Solution

The fourth proportional to 1,574,397.60, 2,361,013.20 and 509,474.40 is: 764,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,397.60 : 2,361,013.20 = 509,474.40 : x
  2. Step 2: Convert to fraction form
    1,574,397.60/2,361,013.20 = 509,474.40/x
  3. Step 3: Cross multiply
    1,574,397.60x = 2,361,013.20 × 509,474.40
  4. Step 4: Simplify right side
    1,574,397.60x = 1,202,875,783,462.08
  5. Step 5: Solve for x
    x = 1,202,875,783,462.08/1,574,397.60
  6. Step 6: Final answer
    x = 764,022.88

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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.