Home / 1,127,060.24-1,689,586.95-407,241.40

Finding the Fourth Proportional to 1,127,060.24, 1,689,586.95 and 407,241.40

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Solution

The fourth proportional to 1,127,060.24, 1,689,586.95 and 407,241.40 is: 610,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,060.24 : 1,689,586.95 = 407,241.40 : x
  2. Step 2: Convert to fraction form
    1,127,060.24/1,689,586.95 = 407,241.40/x
  3. Step 3: Cross multiply
    1,127,060.24x = 1,689,586.95 × 407,241.40
  4. Step 4: Simplify right side
    1,127,060.24x = 688,069,758,578.87
  5. Step 5: Solve for x
    x = 688,069,758,578.87/1,127,060.24
  6. Step 6: Final answer
    x = 610,499.54

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1.5x scale

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.