Home / 1,103,253.39-1,655,145.77-383,490.63

Finding the Fourth Proportional to 1,103,253.39, 1,655,145.77 and 383,490.63

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Solution

The fourth proportional to 1,103,253.39, 1,655,145.77 and 383,490.63 is: 575,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,253.39 : 1,655,145.77 = 383,490.63 : x
  2. Step 2: Convert to fraction form
    1,103,253.39/1,655,145.77 = 383,490.63/x
  3. Step 3: Cross multiply
    1,103,253.39x = 1,655,145.77 × 383,490.63
  4. Step 4: Simplify right side
    1,103,253.39x = 634,732,892,161.68
  5. Step 5: Solve for x
    x = 634,732,892,161.68/1,103,253.39
  6. Step 6: Final answer
    x = 575,328.30

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1.5x scale

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.