Home / 970,102.98-1,455,901.47-781,025.85

Finding the Fourth Proportional to 970,102.98, 1,455,901.47 and 781,025.85

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Solution

The fourth proportional to 970,102.98, 1,455,901.47 and 781,025.85 is: 1,172,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,102.98 : 1,455,901.47 = 781,025.85 : x
  2. Step 2: Convert to fraction form
    970,102.98/1,455,901.47 = 781,025.85/x
  3. Step 3: Cross multiply
    970,102.98x = 1,455,901.47 × 781,025.85
  4. Step 4: Simplify right side
    970,102.98x = 1,137,096,683,123.00
  5. Step 5: Solve for x
    x = 1,137,096,683,123.00/970,102.98
  6. Step 6: Final answer
    x = 1,172,140.18

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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.