Home / 945,784.60-1,418,676.90-858,693.40

Finding the Fourth Proportional to 945,784.60, 1,418,676.90 and 858,693.40

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Solution

The fourth proportional to 945,784.60, 1,418,676.90 and 858,693.40 is: 1,288,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,784.60 : 1,418,676.90 = 858,693.40 : x
  2. Step 2: Convert to fraction form
    945,784.60/1,418,676.90 = 858,693.40/x
  3. Step 3: Cross multiply
    945,784.60x = 1,418,676.90 × 858,693.40
  4. Step 4: Simplify right side
    945,784.60x = 1,218,208,490,762.46
  5. Step 5: Solve for x
    x = 1,218,208,490,762.46/945,784.60
  6. Step 6: Final answer
    x = 1,288,040.10

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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.