Home / 971,515.40-1,460,037.90-849,864.20

Finding the Fourth Proportional to 971,515.40, 1,460,037.90 and 849,864.20

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Solution

The fourth proportional to 971,515.40, 1,460,037.90 and 849,864.20 is: 1,277,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,515.40 : 1,460,037.90 = 849,864.20 : x
  2. Step 2: Convert to fraction form
    971,515.40/1,460,037.90 = 849,864.20/x
  3. Step 3: Cross multiply
    971,515.40x = 1,460,037.90 × 849,864.20
  4. Step 4: Simplify right side
    971,515.40x = 1,240,833,941,853.18
  5. Step 5: Solve for x
    x = 1,240,833,941,853.18/971,515.40
  6. Step 6: Final answer
    x = 1,277,214.90

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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.