Home / 1,490,330.54-2,234,931.87-637,366.70

Finding the Fourth Proportional to 1,490,330.54, 2,234,931.87 and 637,366.70

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Solution

The fourth proportional to 1,490,330.54, 2,234,931.87 and 637,366.70 is: 955,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,330.54 : 2,234,931.87 = 637,366.70 : x
  2. Step 2: Convert to fraction form
    1,490,330.54/2,234,931.87 = 637,366.70/x
  3. Step 3: Cross multiply
    1,490,330.54x = 2,234,931.87 × 637,366.70
  4. Step 4: Simplify right side
    1,490,330.54x = 1,424,471,150,706.73
  5. Step 5: Solve for x
    x = 1,424,471,150,706.73/1,490,330.54
  6. Step 6: Final answer
    x = 955,808.87

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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.