Home / 1,430,465.59-1,973,360.41-1,042,449.13

Finding the Fourth Proportional to 1,430,465.59, 1,973,360.41 and 1,042,449.13

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Solution

The fourth proportional to 1,430,465.59, 1,973,360.41 and 1,042,449.13 is: 1,438,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,465.59 : 1,973,360.41 = 1,042,449.13 : x
  2. Step 2: Convert to fraction form
    1,430,465.59/1,973,360.41 = 1,042,449.13/x
  3. Step 3: Cross multiply
    1,430,465.59x = 1,973,360.41 × 1,042,449.13
  4. Step 4: Simplify right side
    1,430,465.59x = 2,057,127,848,305.30
  5. Step 5: Solve for x
    x = 2,057,127,848,305.30/1,430,465.59
  6. Step 6: Final answer
    x = 1,438,082.72

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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.