Home / 1,076,005.70-1,484,343.06-668,348.90

Finding the Fourth Proportional to 1,076,005.70, 1,484,343.06 and 668,348.90

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Solution

The fourth proportional to 1,076,005.70, 1,484,343.06 and 668,348.90 is: 921,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,005.70 : 1,484,343.06 = 668,348.90 : x
  2. Step 2: Convert to fraction form
    1,076,005.70/1,484,343.06 = 668,348.90/x
  3. Step 3: Cross multiply
    1,076,005.70x = 1,484,343.06 × 668,348.90
  4. Step 4: Simplify right side
    1,076,005.70x = 992,059,051,373.63
  5. Step 5: Solve for x
    x = 992,059,051,373.63/1,076,005.70
  6. Step 6: Final answer
    x = 921,983.08

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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.