Home / 1,139,464.88-1,572,397.40-623,116.24

Finding the Fourth Proportional to 1,139,464.88, 1,572,397.40 and 623,116.24

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Solution

The fourth proportional to 1,139,464.88, 1,572,397.40 and 623,116.24 is: 859,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,464.88 : 1,572,397.40 = 623,116.24 : x
  2. Step 2: Convert to fraction form
    1,139,464.88/1,572,397.40 = 623,116.24/x
  3. Step 3: Cross multiply
    1,139,464.88x = 1,572,397.40 × 623,116.24
  4. Step 4: Simplify right side
    1,139,464.88x = 979,786,355,673.78
  5. Step 5: Solve for x
    x = 979,786,355,673.78/1,139,464.88
  6. Step 6: Final answer
    x = 859,865.34

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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.