Home / 1,108,809.90-1,663,214.85-577,368.90

Finding the Fourth Proportional to 1,108,809.90, 1,663,214.85 and 577,368.90

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Solution

The fourth proportional to 1,108,809.90, 1,663,214.85 and 577,368.90 is: 866,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,809.90 : 1,663,214.85 = 577,368.90 : x
  2. Step 2: Convert to fraction form
    1,108,809.90/1,663,214.85 = 577,368.90/x
  3. Step 3: Cross multiply
    1,108,809.90x = 1,663,214.85 × 577,368.90
  4. Step 4: Simplify right side
    1,108,809.90x = 960,288,528,408.17
  5. Step 5: Solve for x
    x = 960,288,528,408.17/1,108,809.90
  6. Step 6: Final answer
    x = 866,053.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.