Home / 1,505,464.67-2,077,543.35-817,136.69

Finding the Fourth Proportional to 1,505,464.67, 2,077,543.35 and 817,136.69

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Solution

The fourth proportional to 1,505,464.67, 2,077,543.35 and 817,136.69 is: 1,127,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,464.67 : 2,077,543.35 = 817,136.69 : x
  2. Step 2: Convert to fraction form
    1,505,464.67/2,077,543.35 = 817,136.69/x
  3. Step 3: Cross multiply
    1,505,464.67x = 2,077,543.35 × 817,136.69
  4. Step 4: Simplify right side
    1,505,464.67x = 1,697,636,885,962.80
  5. Step 5: Solve for x
    x = 1,697,636,885,962.80/1,505,464.67
  6. Step 6: Final answer
    x = 1,127,649.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.