Home / 883,124.80-1,323,326.40-657,426.40

Finding the Fourth Proportional to 883,124.80, 1,323,326.40 and 657,426.40

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Solution

The fourth proportional to 883,124.80, 1,323,326.40 and 657,426.40 is: 985,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,124.80 : 1,323,326.40 = 657,426.40 : x
  2. Step 2: Convert to fraction form
    883,124.80/1,323,326.40 = 657,426.40/x
  3. Step 3: Cross multiply
    883,124.80x = 1,323,326.40 × 657,426.40
  4. Step 4: Simplify right side
    883,124.80x = 869,989,711,176.96
  5. Step 5: Solve for x
    x = 869,989,711,176.96/883,124.80
  6. Step 6: Final answer
    x = 985,126.58

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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.