Home / 1,690,870.35-2,535,764.23-553,324.17

Finding the Fourth Proportional to 1,690,870.35, 2,535,764.23 and 553,324.17

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Solution

The fourth proportional to 1,690,870.35, 2,535,764.23 and 553,324.17 is: 829,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,870.35 : 2,535,764.23 = 553,324.17 : x
  2. Step 2: Convert to fraction form
    1,690,870.35/2,535,764.23 = 553,324.17/x
  3. Step 3: Cross multiply
    1,690,870.35x = 2,535,764.23 × 553,324.17
  4. Step 4: Simplify right side
    1,690,870.35x = 1,403,099,637,880.44
  5. Step 5: Solve for x
    x = 1,403,099,637,880.44/1,690,870.35
  6. Step 6: Final answer
    x = 829,809.12

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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.