Home / 971,340.80-1,457,011.20-912,243.20

Finding the Fourth Proportional to 971,340.80, 1,457,011.20 and 912,243.20

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Solution

The fourth proportional to 971,340.80, 1,457,011.20 and 912,243.20 is: 1,368,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,340.80 : 1,457,011.20 = 912,243.20 : x
  2. Step 2: Convert to fraction form
    971,340.80/1,457,011.20 = 912,243.20/x
  3. Step 3: Cross multiply
    971,340.80x = 1,457,011.20 × 912,243.20
  4. Step 4: Simplify right side
    971,340.80x = 1,329,148,559,523.84
  5. Step 5: Solve for x
    x = 1,329,148,559,523.84/971,340.80
  6. Step 6: Final answer
    x = 1,368,364.80

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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.