Home / 1,299,432.61-1,949,282.60-490,498.40

Finding the Fourth Proportional to 1,299,432.61, 1,949,282.60 and 490,498.40

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Solution

The fourth proportional to 1,299,432.61, 1,949,282.60 and 490,498.40 is: 735,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,432.61 : 1,949,282.60 = 490,498.40 : x
  2. Step 2: Convert to fraction form
    1,299,432.61/1,949,282.60 = 490,498.40/x
  3. Step 3: Cross multiply
    1,299,432.61x = 1,949,282.60 × 490,498.40
  4. Step 4: Simplify right side
    1,299,432.61x = 956,119,996,447.84
  5. Step 5: Solve for x
    x = 956,119,996,447.84/1,299,432.61
  6. Step 6: Final answer
    x = 735,798.06

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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.