Home / 1,395,436.63-2,091,826.33-448,143.05

Finding the Fourth Proportional to 1,395,436.63, 2,091,826.33 and 448,143.05

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Solution

The fourth proportional to 1,395,436.63, 2,091,826.33 and 448,143.05 is: 671,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,436.63 : 2,091,826.33 = 448,143.05 : x
  2. Step 2: Convert to fraction form
    1,395,436.63/2,091,826.33 = 448,143.05/x
  3. Step 3: Cross multiply
    1,395,436.63x = 2,091,826.33 × 448,143.05
  4. Step 4: Simplify right side
    1,395,436.63x = 937,437,426,460.00
  5. Step 5: Solve for x
    x = 937,437,426,460.00/1,395,436.63
  6. Step 6: Final answer
    x = 671,787.89

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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.