Home / 1,161,454.72-1,602,981.12-709,008.16

Finding the Fourth Proportional to 1,161,454.72, 1,602,981.12 and 709,008.16

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Solution

The fourth proportional to 1,161,454.72, 1,602,981.12 and 709,008.16 is: 978,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,454.72 : 1,602,981.12 = 709,008.16 : x
  2. Step 2: Convert to fraction form
    1,161,454.72/1,602,981.12 = 709,008.16/x
  3. Step 3: Cross multiply
    1,161,454.72x = 1,602,981.12 × 709,008.16
  4. Step 4: Simplify right side
    1,161,454.72x = 1,136,526,694,405.94
  5. Step 5: Solve for x
    x = 1,136,526,694,405.94/1,161,454.72
  6. Step 6: Final answer
    x = 978,537.24

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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.