Home / 1,470,256.40-2,201,237.40-1,428,784.40

Finding the Fourth Proportional to 1,470,256.40, 2,201,237.40 and 1,428,784.40

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Solution

The fourth proportional to 1,470,256.40, 2,201,237.40 and 1,428,784.40 is: 2,139,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,256.40 : 2,201,237.40 = 1,428,784.40 : x
  2. Step 2: Convert to fraction form
    1,470,256.40/2,201,237.40 = 1,428,784.40/x
  3. Step 3: Cross multiply
    1,470,256.40x = 2,201,237.40 × 1,428,784.40
  4. Step 4: Simplify right side
    1,470,256.40x = 3,145,093,657,816.56
  5. Step 5: Solve for x
    x = 3,145,093,657,816.56/1,470,256.40
  6. Step 6: Final answer
    x = 2,139,146.38

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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.