Home / 1,009,742.20-1,513,224-432,674.68

Finding the Fourth Proportional to 1,009,742.20, 1,513,224 and 432,674.68

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Solution

The fourth proportional to 1,009,742.20, 1,513,224 and 432,674.68 is: 648,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,742.20 : 1,513,224 = 432,674.68 : x
  2. Step 2: Convert to fraction form
    1,009,742.20/1,513,224 = 432,674.68/x
  3. Step 3: Cross multiply
    1,009,742.20x = 1,513,224 × 432,674.68
  4. Step 4: Simplify right side
    1,009,742.20x = 654,733,709,968.32
  5. Step 5: Solve for x
    x = 654,733,709,968.32/1,009,742.20
  6. Step 6: Final answer
    x = 648,416.70

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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.