Home / 1,071,397.53-1,478,574.81-641,595.33

Finding the Fourth Proportional to 1,071,397.53, 1,478,574.81 and 641,595.33

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Solution

The fourth proportional to 1,071,397.53, 1,478,574.81 and 641,595.33 is: 885,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,397.53 : 1,478,574.81 = 641,595.33 : x
  2. Step 2: Convert to fraction form
    1,071,397.53/1,478,574.81 = 641,595.33/x
  3. Step 3: Cross multiply
    1,071,397.53x = 1,478,574.81 × 641,595.33
  4. Step 4: Simplify right side
    1,071,397.53x = 948,646,693,151.64
  5. Step 5: Solve for x
    x = 948,646,693,151.64/1,071,397.53
  6. Step 6: Final answer
    x = 885,429.23

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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.