Home / 1,370,205.60-2,055,308.40-423,574.80

Finding the Fourth Proportional to 1,370,205.60, 2,055,308.40 and 423,574.80

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Solution

The fourth proportional to 1,370,205.60, 2,055,308.40 and 423,574.80 is: 635,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,205.60 : 2,055,308.40 = 423,574.80 : x
  2. Step 2: Convert to fraction form
    1,370,205.60/2,055,308.40 = 423,574.80/x
  3. Step 3: Cross multiply
    1,370,205.60x = 2,055,308.40 × 423,574.80
  4. Step 4: Simplify right side
    1,370,205.60x = 870,576,844,468.32
  5. Step 5: Solve for x
    x = 870,576,844,468.32/1,370,205.60
  6. Step 6: Final answer
    x = 635,362.20

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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.