Home / 1,281,502.80-1,922,108.40-334,969.20

Finding the Fourth Proportional to 1,281,502.80, 1,922,108.40 and 334,969.20

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Solution

The fourth proportional to 1,281,502.80, 1,922,108.40 and 334,969.20 is: 502,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,502.80 : 1,922,108.40 = 334,969.20 : x
  2. Step 2: Convert to fraction form
    1,281,502.80/1,922,108.40 = 334,969.20/x
  3. Step 3: Cross multiply
    1,281,502.80x = 1,922,108.40 × 334,969.20
  4. Step 4: Simplify right side
    1,281,502.80x = 643,847,113,061.28
  5. Step 5: Solve for x
    x = 643,847,113,061.28/1,281,502.80
  6. Step 6: Final answer
    x = 502,415.69

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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.