Home / 1,129,071.60-1,558,200.60-746,434.80

Finding the Fourth Proportional to 1,129,071.60, 1,558,200.60 and 746,434.80

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Solution

The fourth proportional to 1,129,071.60, 1,558,200.60 and 746,434.80 is: 1,030,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,071.60 : 1,558,200.60 = 746,434.80 : x
  2. Step 2: Convert to fraction form
    1,129,071.60/1,558,200.60 = 746,434.80/x
  3. Step 3: Cross multiply
    1,129,071.60x = 1,558,200.60 × 746,434.80
  4. Step 4: Simplify right side
    1,129,071.60x = 1,163,095,153,220.88
  5. Step 5: Solve for x
    x = 1,163,095,153,220.88/1,129,071.60
  6. Step 6: Final answer
    x = 1,030,134.10

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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.