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Finding the Fourth Proportional to 1,000,497.66, 1,500,788 and 290,525.70

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Solution

The fourth proportional to 1,000,497.66, 1,500,788 and 290,525.70 is: 435,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,497.66 : 1,500,788 = 290,525.70 : x
  2. Step 2: Convert to fraction form
    1,000,497.66/1,500,788 = 290,525.70/x
  3. Step 3: Cross multiply
    1,000,497.66x = 1,500,788 × 290,525.70
  4. Step 4: Simplify right side
    1,000,497.66x = 436,017,484,251.60
  5. Step 5: Solve for x
    x = 436,017,484,251.60/1,000,497.66
  6. Step 6: Final answer
    x = 435,800.60

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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.