Home / 1,095,412.80-1,643,119.20-623,020.80

Finding the Fourth Proportional to 1,095,412.80, 1,643,119.20 and 623,020.80

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Solution

The fourth proportional to 1,095,412.80, 1,643,119.20 and 623,020.80 is: 934,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,412.80 : 1,643,119.20 = 623,020.80 : x
  2. Step 2: Convert to fraction form
    1,095,412.80/1,643,119.20 = 623,020.80/x
  3. Step 3: Cross multiply
    1,095,412.80x = 1,643,119.20 × 623,020.80
  4. Step 4: Simplify right side
    1,095,412.80x = 1,023,697,438,479.36
  5. Step 5: Solve for x
    x = 1,023,697,438,479.36/1,095,412.80
  6. Step 6: Final answer
    x = 934,531.20

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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.