Home / 1,076,145.50-1,484,950.74-617,236.40

Finding the Fourth Proportional to 1,076,145.50, 1,484,950.74 and 617,236.40

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Solution

The fourth proportional to 1,076,145.50, 1,484,950.74 and 617,236.40 is: 851,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,145.50 : 1,484,950.74 = 617,236.40 : x
  2. Step 2: Convert to fraction form
    1,076,145.50/1,484,950.74 = 617,236.40/x
  3. Step 3: Cross multiply
    1,076,145.50x = 1,484,950.74 × 617,236.40
  4. Step 4: Simplify right side
    1,076,145.50x = 916,565,648,934.94
  5. Step 5: Solve for x
    x = 916,565,648,934.94/1,076,145.50
  6. Step 6: Final answer
    x = 851,711.64

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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.