Home / 1,029,826.50-1,421,205.51-570,911.88

Finding the Fourth Proportional to 1,029,826.50, 1,421,205.51 and 570,911.88

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Solution

The fourth proportional to 1,029,826.50, 1,421,205.51 and 570,911.88 is: 787,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,826.50 : 1,421,205.51 = 570,911.88 : x
  2. Step 2: Convert to fraction form
    1,029,826.50/1,421,205.51 = 570,911.88/x
  3. Step 3: Cross multiply
    1,029,826.50x = 1,421,205.51 × 570,911.88
  4. Step 4: Simplify right side
    1,029,826.50x = 811,383,109,580.46
  5. Step 5: Solve for x
    x = 811,383,109,580.46/1,029,826.50
  6. Step 6: Final answer
    x = 787,883.31

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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.