Home / 972,613.40-1,455,420.90-657,685.40

Finding the Fourth Proportional to 972,613.40, 1,455,420.90 and 657,685.40

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Solution

The fourth proportional to 972,613.40, 1,455,420.90 and 657,685.40 is: 984,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,613.40 : 1,455,420.90 = 657,685.40 : x
  2. Step 2: Convert to fraction form
    972,613.40/1,455,420.90 = 657,685.40/x
  3. Step 3: Cross multiply
    972,613.40x = 1,455,420.90 × 657,685.40
  4. Step 4: Simplify right side
    972,613.40x = 957,209,076,784.86
  5. Step 5: Solve for x
    x = 957,209,076,784.86/972,613.40
  6. Step 6: Final answer
    x = 984,161.93

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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.