Home / 1,455,885.23-2,009,136.29-802,534.50

Finding the Fourth Proportional to 1,455,885.23, 2,009,136.29 and 802,534.50

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Solution

The fourth proportional to 1,455,885.23, 2,009,136.29 and 802,534.50 is: 1,107,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,885.23 : 2,009,136.29 = 802,534.50 : x
  2. Step 2: Convert to fraction form
    1,455,885.23/2,009,136.29 = 802,534.50/x
  3. Step 3: Cross multiply
    1,455,885.23x = 2,009,136.29 × 802,534.50
  4. Step 4: Simplify right side
    1,455,885.23x = 1,612,401,183,914.33
  5. Step 5: Solve for x
    x = 1,612,401,183,914.33/1,455,885.23
  6. Step 6: Final answer
    x = 1,107,505.70

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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.