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Finding the Fourth Proportional to 1,095,421, 1,643,338.86 and 504,445

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Solution

The fourth proportional to 1,095,421, 1,643,338.86 and 504,445 is: 756,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,421 : 1,643,338.86 = 504,445 : x
  2. Step 2: Convert to fraction form
    1,095,421/1,643,338.86 = 504,445/x
  3. Step 3: Cross multiply
    1,095,421x = 1,643,338.86 × 504,445
  4. Step 4: Simplify right side
    1,095,421x = 828,974,071,232.70
  5. Step 5: Solve for x
    x = 828,974,071,232.70/1,095,421
  6. Step 6: Final answer
    x = 756,762.99

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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.