Home / 1,026,470.50-1,539,606.78-316,307.86

Finding the Fourth Proportional to 1,026,470.50, 1,539,606.78 and 316,307.86

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Solution

The fourth proportional to 1,026,470.50, 1,539,606.78 and 316,307.86 is: 474,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,470.50 : 1,539,606.78 = 316,307.86 : x
  2. Step 2: Convert to fraction form
    1,026,470.50/1,539,606.78 = 316,307.86/x
  3. Step 3: Cross multiply
    1,026,470.50x = 1,539,606.78 × 316,307.86
  4. Step 4: Simplify right side
    1,026,470.50x = 486,989,725,823.29
  5. Step 5: Solve for x
    x = 486,989,725,823.29/1,026,470.50
  6. Step 6: Final answer
    x = 474,431.29

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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.