Home / 1,395,032.74-1,925,012.20-783,045.24

Finding the Fourth Proportional to 1,395,032.74, 1,925,012.20 and 783,045.24

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Solution

The fourth proportional to 1,395,032.74, 1,925,012.20 and 783,045.24 is: 1,080,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,032.74 : 1,925,012.20 = 783,045.24 : x
  2. Step 2: Convert to fraction form
    1,395,032.74/1,925,012.20 = 783,045.24/x
  3. Step 3: Cross multiply
    1,395,032.74x = 1,925,012.20 × 783,045.24
  4. Step 4: Simplify right side
    1,395,032.74x = 1,507,371,643,271.92
  5. Step 5: Solve for x
    x = 1,507,371,643,271.92/1,395,032.74
  6. Step 6: Final answer
    x = 1,080,527.79

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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.