Home / 1,640,454.40-2,460,810.12-442,358.56

Finding the Fourth Proportional to 1,640,454.40, 2,460,810.12 and 442,358.56

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Solution

The fourth proportional to 1,640,454.40, 2,460,810.12 and 442,358.56 is: 663,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,454.40 : 2,460,810.12 = 442,358.56 : x
  2. Step 2: Convert to fraction form
    1,640,454.40/2,460,810.12 = 442,358.56/x
  3. Step 3: Cross multiply
    1,640,454.40x = 2,460,810.12 × 442,358.56
  4. Step 4: Simplify right side
    1,640,454.40x = 1,088,560,421,116.63
  5. Step 5: Solve for x
    x = 1,088,560,421,116.63/1,640,454.40
  6. Step 6: Final answer
    x = 663,572.50

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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.