Home / 1,553,326.32-2,143,076.60-908,289.81

Finding the Fourth Proportional to 1,553,326.32, 2,143,076.60 and 908,289.81

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Solution

The fourth proportional to 1,553,326.32, 2,143,076.60 and 908,289.81 is: 1,253,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,326.32 : 2,143,076.60 = 908,289.81 : x
  2. Step 2: Convert to fraction form
    1,553,326.32/2,143,076.60 = 908,289.81/x
  3. Step 3: Cross multiply
    1,553,326.32x = 2,143,076.60 × 908,289.81
  4. Step 4: Simplify right side
    1,553,326.32x = 1,946,534,637,829.45
  5. Step 5: Solve for x
    x = 1,946,534,637,829.45/1,553,326.32
  6. Step 6: Final answer
    x = 1,253,139.54

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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.