Home / 1,326,621.29-1,989,737.53-652,521.65

Finding the Fourth Proportional to 1,326,621.29, 1,989,737.53 and 652,521.65

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Solution

The fourth proportional to 1,326,621.29, 1,989,737.53 and 652,521.65 is: 978,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,621.29 : 1,989,737.53 = 652,521.65 : x
  2. Step 2: Convert to fraction form
    1,326,621.29/1,989,737.53 = 652,521.65/x
  3. Step 3: Cross multiply
    1,326,621.29x = 1,989,737.53 × 652,521.65
  4. Step 4: Simplify right side
    1,326,621.29x = 1,298,346,804,562.53
  5. Step 5: Solve for x
    x = 1,298,346,804,562.53/1,326,621.29
  6. Step 6: Final answer
    x = 978,686.85

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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.