Home / 1,553,055.36-2,142,885.72-908,349.72

Finding the Fourth Proportional to 1,553,055.36, 2,142,885.72 and 908,349.72

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Solution

The fourth proportional to 1,553,055.36, 2,142,885.72 and 908,349.72 is: 1,253,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,055.36 : 2,142,885.72 = 908,349.72 : x
  2. Step 2: Convert to fraction form
    1,553,055.36/2,142,885.72 = 908,349.72/x
  3. Step 3: Cross multiply
    1,553,055.36x = 2,142,885.72 × 908,349.72
  4. Step 4: Simplify right side
    1,553,055.36x = 1,946,489,643,754.00
  5. Step 5: Solve for x
    x = 1,946,489,643,754.00/1,553,055.36
  6. Step 6: Final answer
    x = 1,253,329.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.