Home / 1,077,782.52-1,487,339.28-618,927.12

Finding the Fourth Proportional to 1,077,782.52, 1,487,339.28 and 618,927.12

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Solution

The fourth proportional to 1,077,782.52, 1,487,339.28 and 618,927.12 is: 854,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,782.52 : 1,487,339.28 = 618,927.12 : x
  2. Step 2: Convert to fraction form
    1,077,782.52/1,487,339.28 = 618,927.12/x
  3. Step 3: Cross multiply
    1,077,782.52x = 1,487,339.28 × 618,927.12
  4. Step 4: Simplify right side
    1,077,782.52x = 920,554,617,033.27
  5. Step 5: Solve for x
    x = 920,554,617,033.27/1,077,782.52
  6. Step 6: Final answer
    x = 854,119.08

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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.