Home / 1,505,646.90-2,077,798.35-817,320.10

Finding the Fourth Proportional to 1,505,646.90, 2,077,798.35 and 817,320.10

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Solution

The fourth proportional to 1,505,646.90, 2,077,798.35 and 817,320.10 is: 1,127,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,646.90 : 2,077,798.35 = 817,320.10 : x
  2. Step 2: Convert to fraction form
    1,505,646.90/2,077,798.35 = 817,320.10/x
  3. Step 3: Cross multiply
    1,505,646.90x = 2,077,798.35 × 817,320.10
  4. Step 4: Simplify right side
    1,505,646.90x = 1,698,226,355,201.84
  5. Step 5: Solve for x
    x = 1,698,226,355,201.84/1,505,646.90
  6. Step 6: Final answer
    x = 1,127,904.79

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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.