Home / 1,208,527.20-1,812,733.20-409,730.40

Finding the Fourth Proportional to 1,208,527.20, 1,812,733.20 and 409,730.40

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Solution

The fourth proportional to 1,208,527.20, 1,812,733.20 and 409,730.40 is: 614,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,527.20 : 1,812,733.20 = 409,730.40 : x
  2. Step 2: Convert to fraction form
    1,208,527.20/1,812,733.20 = 409,730.40/x
  3. Step 3: Cross multiply
    1,208,527.20x = 1,812,733.20 × 409,730.40
  4. Step 4: Simplify right side
    1,208,527.20x = 742,731,899,129.28
  5. Step 5: Solve for x
    x = 742,731,899,129.28/1,208,527.20
  6. Step 6: Final answer
    x = 614,576.07

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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.