Home / 1,077,810.60-1,616,715.90-720,892.20

Finding the Fourth Proportional to 1,077,810.60, 1,616,715.90 and 720,892.20

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Solution

The fourth proportional to 1,077,810.60, 1,616,715.90 and 720,892.20 is: 1,081,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,810.60 : 1,616,715.90 = 720,892.20 : x
  2. Step 2: Convert to fraction form
    1,077,810.60/1,616,715.90 = 720,892.20/x
  3. Step 3: Cross multiply
    1,077,810.60x = 1,616,715.90 × 720,892.20
  4. Step 4: Simplify right side
    1,077,810.60x = 1,165,477,881,925.98
  5. Step 5: Solve for x
    x = 1,165,477,881,925.98/1,077,810.60
  6. Step 6: Final answer
    x = 1,081,338.30

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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.