Home / 1,397,669.40-2,091,320.10-1,024,421.40

Finding the Fourth Proportional to 1,397,669.40, 2,091,320.10 and 1,024,421.40

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Solution

The fourth proportional to 1,397,669.40, 2,091,320.10 and 1,024,421.40 is: 1,532,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,669.40 : 2,091,320.10 = 1,024,421.40 : x
  2. Step 2: Convert to fraction form
    1,397,669.40/2,091,320.10 = 1,024,421.40/x
  3. Step 3: Cross multiply
    1,397,669.40x = 2,091,320.10 × 1,024,421.40
  4. Step 4: Simplify right side
    1,397,669.40x = 2,142,393,064,690.14
  5. Step 5: Solve for x
    x = 2,142,393,064,690.14/1,397,669.40
  6. Step 6: Final answer
    x = 1,532,832.49

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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.