Home / 1,347,436.15-2,021,040.36-436,599.34

Finding the Fourth Proportional to 1,347,436.15, 2,021,040.36 and 436,599.34

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Solution

The fourth proportional to 1,347,436.15, 2,021,040.36 and 436,599.34 is: 654,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,436.15 : 2,021,040.36 = 436,599.34 : x
  2. Step 2: Convert to fraction form
    1,347,436.15/2,021,040.36 = 436,599.34/x
  3. Step 3: Cross multiply
    1,347,436.15x = 2,021,040.36 × 436,599.34
  4. Step 4: Simplify right side
    1,347,436.15x = 882,384,877,184.16
  5. Step 5: Solve for x
    x = 882,384,877,184.16/1,347,436.15
  6. Step 6: Final answer
    x = 654,862.11

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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.