Home / 1,077,822.80-1,617,317.40-478,876.40

Finding the Fourth Proportional to 1,077,822.80, 1,617,317.40 and 478,876.40

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Solution

The fourth proportional to 1,077,822.80, 1,617,317.40 and 478,876.40 is: 718,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,822.80 : 1,617,317.40 = 478,876.40 : x
  2. Step 2: Convert to fraction form
    1,077,822.80/1,617,317.40 = 478,876.40/x
  3. Step 3: Cross multiply
    1,077,822.80x = 1,617,317.40 × 478,876.40
  4. Step 4: Simplify right side
    1,077,822.80x = 774,495,134,169.36
  5. Step 5: Solve for x
    x = 774,495,134,169.36/1,077,822.80
  6. Step 6: Final answer
    x = 718,573.72

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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.