Home / 1,370,871.46-1,891,861.70-759,024.21

Finding the Fourth Proportional to 1,370,871.46, 1,891,861.70 and 759,024.21

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Solution

The fourth proportional to 1,370,871.46, 1,891,861.70 and 759,024.21 is: 1,047,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,871.46 : 1,891,861.70 = 759,024.21 : x
  2. Step 2: Convert to fraction form
    1,370,871.46/1,891,861.70 = 759,024.21/x
  3. Step 3: Cross multiply
    1,370,871.46x = 1,891,861.70 × 759,024.21
  4. Step 4: Simplify right side
    1,370,871.46x = 1,435,968,838,417.46
  5. Step 5: Solve for x
    x = 1,435,968,838,417.46/1,370,871.46
  6. Step 6: Final answer
    x = 1,047,486.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.