Home / 1,006,802.85-1,389,074.43-571,147.90

Finding the Fourth Proportional to 1,006,802.85, 1,389,074.43 and 571,147.90

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Solution

The fourth proportional to 1,006,802.85, 1,389,074.43 and 571,147.90 is: 788,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,802.85 : 1,389,074.43 = 571,147.90 : x
  2. Step 2: Convert to fraction form
    1,006,802.85/1,389,074.43 = 571,147.90/x
  3. Step 3: Cross multiply
    1,006,802.85x = 1,389,074.43 × 571,147.90
  4. Step 4: Simplify right side
    1,006,802.85x = 793,366,943,638.20
  5. Step 5: Solve for x
    x = 793,366,943,638.20/1,006,802.85
  6. Step 6: Final answer
    x = 788,006.26

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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.