Home / 1,300,106.40-1,947,535.20-738,484.80

Finding the Fourth Proportional to 1,300,106.40, 1,947,535.20 and 738,484.80

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Solution

The fourth proportional to 1,300,106.40, 1,947,535.20 and 738,484.80 is: 1,106,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,106.40 : 1,947,535.20 = 738,484.80 : x
  2. Step 2: Convert to fraction form
    1,300,106.40/1,947,535.20 = 738,484.80/x
  3. Step 3: Cross multiply
    1,300,106.40x = 1,947,535.20 × 738,484.80
  4. Step 4: Simplify right side
    1,300,106.40x = 1,438,225,142,664.96
  5. Step 5: Solve for x
    x = 1,438,225,142,664.96/1,300,106.40
  6. Step 6: Final answer
    x = 1,106,236.49

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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.