Home / 956,688.21-1,319,444.37-698,274.72

Finding the Fourth Proportional to 956,688.21, 1,319,444.37 and 698,274.72

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Solution

The fourth proportional to 956,688.21, 1,319,444.37 and 698,274.72 is: 963,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,688.21 : 1,319,444.37 = 698,274.72 : x
  2. Step 2: Convert to fraction form
    956,688.21/1,319,444.37 = 698,274.72/x
  3. Step 3: Cross multiply
    956,688.21x = 1,319,444.37 × 698,274.72
  4. Step 4: Simplify right side
    956,688.21x = 921,334,648,017.33
  5. Step 5: Solve for x
    x = 921,334,648,017.33/956,688.21
  6. Step 6: Final answer
    x = 963,045.89

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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.