Home / 989,009.53-1,365,007.90-581,111.29

Finding the Fourth Proportional to 989,009.53, 1,365,007.90 and 581,111.29

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Solution

The fourth proportional to 989,009.53, 1,365,007.90 and 581,111.29 is: 802,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,009.53 : 1,365,007.90 = 581,111.29 : x
  2. Step 2: Convert to fraction form
    989,009.53/1,365,007.90 = 581,111.29/x
  3. Step 3: Cross multiply
    989,009.53x = 1,365,007.90 × 581,111.29
  4. Step 4: Simplify right side
    989,009.53x = 793,221,501,629.19
  5. Step 5: Solve for x
    x = 793,221,501,629.19/989,009.53
  6. Step 6: Final answer
    x = 802,036.26

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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.