Home / 1,190,019.54-1,641,821.42-760,547.42

Finding the Fourth Proportional to 1,190,019.54, 1,641,821.42 and 760,547.42

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Solution

The fourth proportional to 1,190,019.54, 1,641,821.42 and 760,547.42 is: 1,049,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,019.54 : 1,641,821.42 = 760,547.42 : x
  2. Step 2: Convert to fraction form
    1,190,019.54/1,641,821.42 = 760,547.42/x
  3. Step 3: Cross multiply
    1,190,019.54x = 1,641,821.42 × 760,547.42
  4. Step 4: Simplify right side
    1,190,019.54x = 1,248,683,038,774.00
  5. Step 5: Solve for x
    x = 1,248,683,038,774.00/1,190,019.54
  6. Step 6: Final answer
    x = 1,049,296.25

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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.