Home / 1,421,637.20-2,132,140.98-410,539.04

Finding the Fourth Proportional to 1,421,637.20, 2,132,140.98 and 410,539.04

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Solution

The fourth proportional to 1,421,637.20, 2,132,140.98 and 410,539.04 is: 615,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,637.20 : 2,132,140.98 = 410,539.04 : x
  2. Step 2: Convert to fraction form
    1,421,637.20/2,132,140.98 = 410,539.04/x
  3. Step 3: Cross multiply
    1,421,637.20x = 2,132,140.98 × 410,539.04
  4. Step 4: Simplify right side
    1,421,637.20x = 875,327,111,073.86
  5. Step 5: Solve for x
    x = 875,327,111,073.86/1,421,637.20
  6. Step 6: Final answer
    x = 615,717.65

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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.