Home / 1,568,688.40-2,349,533.40-1,288,752.40

Finding the Fourth Proportional to 1,568,688.40, 2,349,533.40 and 1,288,752.40

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Solution

The fourth proportional to 1,568,688.40, 2,349,533.40 and 1,288,752.40 is: 1,930,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,688.40 : 2,349,533.40 = 1,288,752.40 : x
  2. Step 2: Convert to fraction form
    1,568,688.40/2,349,533.40 = 1,288,752.40/x
  3. Step 3: Cross multiply
    1,568,688.40x = 2,349,533.40 × 1,288,752.40
  4. Step 4: Simplify right side
    1,568,688.40x = 3,027,966,808,130.16
  5. Step 5: Solve for x
    x = 3,027,966,808,130.16/1,568,688.40
  6. Step 6: Final answer
    x = 1,930,253.84

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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.