Home / 1,266,587.57-1,899,864.32-307,051.45

Finding the Fourth Proportional to 1,266,587.57, 1,899,864.32 and 307,051.45

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Solution

The fourth proportional to 1,266,587.57, 1,899,864.32 and 307,051.45 is: 460,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,587.57 : 1,899,864.32 = 307,051.45 : x
  2. Step 2: Convert to fraction form
    1,266,587.57/1,899,864.32 = 307,051.45/x
  3. Step 3: Cross multiply
    1,266,587.57x = 1,899,864.32 × 307,051.45
  4. Step 4: Simplify right side
    1,266,587.57x = 583,356,087,974.35
  5. Step 5: Solve for x
    x = 583,356,087,974.35/1,266,587.57
  6. Step 6: Final answer
    x = 460,573.04

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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.