Home / 1,210,478.48-1,670,383.32-727,064

Finding the Fourth Proportional to 1,210,478.48, 1,670,383.32 and 727,064

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Solution

The fourth proportional to 1,210,478.48, 1,670,383.32 and 727,064 is: 1,003,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,478.48 : 1,670,383.32 = 727,064 : x
  2. Step 2: Convert to fraction form
    1,210,478.48/1,670,383.32 = 727,064/x
  3. Step 3: Cross multiply
    1,210,478.48x = 1,670,383.32 × 727,064
  4. Step 4: Simplify right side
    1,210,478.48x = 1,214,475,578,172.48
  5. Step 5: Solve for x
    x = 1,214,475,578,172.48/1,210,478.48
  6. Step 6: Final answer
    x = 1,003,302.08

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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.