Home / 989,030.28-1,474,658.02-904,579.89

Finding the Fourth Proportional to 989,030.28, 1,474,658.02 and 904,579.89

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Solution

The fourth proportional to 989,030.28, 1,474,658.02 and 904,579.89 is: 1,348,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,030.28 : 1,474,658.02 = 904,579.89 : x
  2. Step 2: Convert to fraction form
    989,030.28/1,474,658.02 = 904,579.89/x
  3. Step 3: Cross multiply
    989,030.28x = 1,474,658.02 × 904,579.89
  4. Step 4: Simplify right side
    989,030.28x = 1,333,945,985,119.98
  5. Step 5: Solve for x
    x = 1,333,945,985,119.98/989,030.28
  6. Step 6: Final answer
    x = 1,348,741.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.