Home / 1,403,357.32-2,103,246.28-683,870.77

Finding the Fourth Proportional to 1,403,357.32, 2,103,246.28 and 683,870.77

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Solution

The fourth proportional to 1,403,357.32, 2,103,246.28 and 683,870.77 is: 1,024,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,357.32 : 2,103,246.28 = 683,870.77 : x
  2. Step 2: Convert to fraction form
    1,403,357.32/2,103,246.28 = 683,870.77/x
  3. Step 3: Cross multiply
    1,403,357.32x = 2,103,246.28 × 683,870.77
  4. Step 4: Simplify right side
    1,403,357.32x = 1,438,348,653,003.24
  5. Step 5: Solve for x
    x = 1,438,348,653,003.24/1,403,357.32
  6. Step 6: Final answer
    x = 1,024,934.02

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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.