Home / 1,351,495.46-1,865,064.47-739,647.87

Finding the Fourth Proportional to 1,351,495.46, 1,865,064.47 and 739,647.87

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Solution

The fourth proportional to 1,351,495.46, 1,865,064.47 and 739,647.87 is: 1,020,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,495.46 : 1,865,064.47 = 739,647.87 : x
  2. Step 2: Convert to fraction form
    1,351,495.46/1,865,064.47 = 739,647.87/x
  3. Step 3: Cross multiply
    1,351,495.46x = 1,865,064.47 × 739,647.87
  4. Step 4: Simplify right side
    1,351,495.46x = 1,379,490,951,955.95
  5. Step 5: Solve for x
    x = 1,379,490,951,955.95/1,351,495.46
  6. Step 6: Final answer
    x = 1,020,714.45

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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.