Home / 1,130,136.68-1,558,967.43-715,914.86

Finding the Fourth Proportional to 1,130,136.68, 1,558,967.43 and 715,914.86

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Solution

The fourth proportional to 1,130,136.68, 1,558,967.43 and 715,914.86 is: 987,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,136.68 : 1,558,967.43 = 715,914.86 : x
  2. Step 2: Convert to fraction form
    1,130,136.68/1,558,967.43 = 715,914.86/x
  3. Step 3: Cross multiply
    1,130,136.68x = 1,558,967.43 × 715,914.86
  4. Step 4: Simplify right side
    1,130,136.68x = 1,116,087,949,393.01
  5. Step 5: Solve for x
    x = 1,116,087,949,393.01/1,130,136.68
  6. Step 6: Final answer
    x = 987,569.00

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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.