Home / 1,053,915.14-1,454,403.16-570,478.80

Finding the Fourth Proportional to 1,053,915.14, 1,454,403.16 and 570,478.80

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Solution

The fourth proportional to 1,053,915.14, 1,454,403.16 and 570,478.80 is: 787,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,915.14 : 1,454,403.16 = 570,478.80 : x
  2. Step 2: Convert to fraction form
    1,053,915.14/1,454,403.16 = 570,478.80/x
  3. Step 3: Cross multiply
    1,053,915.14x = 1,454,403.16 × 570,478.80
  4. Step 4: Simplify right side
    1,053,915.14x = 829,706,169,433.01
  5. Step 5: Solve for x
    x = 829,706,169,433.01/1,053,915.14
  6. Step 6: Final answer
    x = 787,260.89

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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.