Home / 1,395,052.12-1,925,038.92-783,064.72

Finding the Fourth Proportional to 1,395,052.12, 1,925,038.92 and 783,064.72

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Solution

The fourth proportional to 1,395,052.12, 1,925,038.92 and 783,064.72 is: 1,080,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,052.12 : 1,925,038.92 = 783,064.72 : x
  2. Step 2: Convert to fraction form
    1,395,052.12/1,925,038.92 = 783,064.72/x
  3. Step 3: Cross multiply
    1,395,052.12x = 1,925,038.92 × 783,064.72
  4. Step 4: Simplify right side
    1,395,052.12x = 1,507,430,062,878.90
  5. Step 5: Solve for x
    x = 1,507,430,062,878.90/1,395,052.12
  6. Step 6: Final answer
    x = 1,080,554.66

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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.