Home / 1,780,235.40-2,456,714.76-964,455

Finding the Fourth Proportional to 1,780,235.40, 2,456,714.76 and 964,455

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Solution

The fourth proportional to 1,780,235.40, 2,456,714.76 and 964,455 is: 1,330,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,235.40 : 2,456,714.76 = 964,455 : x
  2. Step 2: Convert to fraction form
    1,780,235.40/2,456,714.76 = 964,455/x
  3. Step 3: Cross multiply
    1,780,235.40x = 2,456,714.76 × 964,455
  4. Step 4: Simplify right side
    1,780,235.40x = 2,369,390,833,855.80
  5. Step 5: Solve for x
    x = 2,369,390,833,855.80/1,780,235.40
  6. Step 6: Final answer
    x = 1,330,942.43

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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.