Home / 1,330,606.35-1,995,417.45-432,077.40

Finding the Fourth Proportional to 1,330,606.35, 1,995,417.45 and 432,077.40

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Solution

The fourth proportional to 1,330,606.35, 1,995,417.45 and 432,077.40 is: 647,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,606.35 : 1,995,417.45 = 432,077.40 : x
  2. Step 2: Convert to fraction form
    1,330,606.35/1,995,417.45 = 432,077.40/x
  3. Step 3: Cross multiply
    1,330,606.35x = 1,995,417.45 × 432,077.40
  4. Step 4: Simplify right side
    1,330,606.35x = 862,174,783,710.63
  5. Step 5: Solve for x
    x = 862,174,783,710.63/1,330,606.35
  6. Step 6: Final answer
    x = 647,956.31

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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.