Home / 1,060,337.70-1,590,506.55-640,433.70

Finding the Fourth Proportional to 1,060,337.70, 1,590,506.55 and 640,433.70

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Solution

The fourth proportional to 1,060,337.70, 1,590,506.55 and 640,433.70 is: 960,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,337.70 : 1,590,506.55 = 640,433.70 : x
  2. Step 2: Convert to fraction form
    1,060,337.70/1,590,506.55 = 640,433.70/x
  3. Step 3: Cross multiply
    1,060,337.70x = 1,590,506.55 × 640,433.70
  4. Step 4: Simplify right side
    1,060,337.70x = 1,018,613,994,690.74
  5. Step 5: Solve for x
    x = 1,018,613,994,690.74/1,060,337.70
  6. Step 6: Final answer
    x = 960,650.55

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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.