Home / 1,342,315.08-1,852,433.64-730,507.32

Finding the Fourth Proportional to 1,342,315.08, 1,852,433.64 and 730,507.32

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Solution

The fourth proportional to 1,342,315.08, 1,852,433.64 and 730,507.32 is: 1,008,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,315.08 : 1,852,433.64 = 730,507.32 : x
  2. Step 2: Convert to fraction form
    1,342,315.08/1,852,433.64 = 730,507.32/x
  3. Step 3: Cross multiply
    1,342,315.08x = 1,852,433.64 × 730,507.32
  4. Step 4: Simplify right side
    1,342,315.08x = 1,353,216,333,834.24
  5. Step 5: Solve for x
    x = 1,353,216,333,834.24/1,342,315.08
  6. Step 6: Final answer
    x = 1,008,121.23

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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.