Home / 1,690,659.42-2,536,377.93-553,458.30

Finding the Fourth Proportional to 1,690,659.42, 2,536,377.93 and 553,458.30

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Solution

The fourth proportional to 1,690,659.42, 2,536,377.93 and 553,458.30 is: 830,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,659.42 : 2,536,377.93 = 553,458.30 : x
  2. Step 2: Convert to fraction form
    1,690,659.42/2,536,377.93 = 553,458.30/x
  3. Step 3: Cross multiply
    1,690,659.42x = 2,536,377.93 × 553,458.30
  4. Step 4: Simplify right side
    1,690,659.42x = 1,403,779,417,295.32
  5. Step 5: Solve for x
    x = 1,403,779,417,295.32/1,690,659.42
  6. Step 6: Final answer
    x = 830,314.73

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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.