Home / 1,095,392.02-1,643,070.26-421,619.70

Finding the Fourth Proportional to 1,095,392.02, 1,643,070.26 and 421,619.70

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Solution

The fourth proportional to 1,095,392.02, 1,643,070.26 and 421,619.70 is: 632,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,392.02 : 1,643,070.26 = 421,619.70 : x
  2. Step 2: Convert to fraction form
    1,095,392.02/1,643,070.26 = 421,619.70/x
  3. Step 3: Cross multiply
    1,095,392.02x = 1,643,070.26 × 421,619.70
  4. Step 4: Simplify right side
    1,095,392.02x = 692,750,790,100.12
  5. Step 5: Solve for x
    x = 692,750,790,100.12/1,095,392.02
  6. Step 6: Final answer
    x = 632,422.71

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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.