Home / 1,064,144.84-1,594,831.08-432,320

Finding the Fourth Proportional to 1,064,144.84, 1,594,831.08 and 432,320

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Solution

The fourth proportional to 1,064,144.84, 1,594,831.08 and 432,320 is: 647,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,144.84 : 1,594,831.08 = 432,320 : x
  2. Step 2: Convert to fraction form
    1,064,144.84/1,594,831.08 = 432,320/x
  3. Step 3: Cross multiply
    1,064,144.84x = 1,594,831.08 × 432,320
  4. Step 4: Simplify right side
    1,064,144.84x = 689,477,372,505.60
  5. Step 5: Solve for x
    x = 689,477,372,505.60/1,064,144.84
  6. Step 6: Final answer
    x = 647,916.85

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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.