Home / 989,820.70-1,484,731.05-737,878.30

Finding the Fourth Proportional to 989,820.70, 1,484,731.05 and 737,878.30

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Solution

The fourth proportional to 989,820.70, 1,484,731.05 and 737,878.30 is: 1,106,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,820.70 : 1,484,731.05 = 737,878.30 : x
  2. Step 2: Convert to fraction form
    989,820.70/1,484,731.05 = 737,878.30/x
  3. Step 3: Cross multiply
    989,820.70x = 1,484,731.05 × 737,878.30
  4. Step 4: Simplify right side
    989,820.70x = 1,095,550,823,131.22
  5. Step 5: Solve for x
    x = 1,095,550,823,131.22/989,820.70
  6. Step 6: Final answer
    x = 1,106,817.45

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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.