Home / 1,353,942-1,868,439.96-750,368.88

Finding the Fourth Proportional to 1,353,942, 1,868,439.96 and 750,368.88

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Solution

The fourth proportional to 1,353,942, 1,868,439.96 and 750,368.88 is: 1,035,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,942 : 1,868,439.96 = 750,368.88 : x
  2. Step 2: Convert to fraction form
    1,353,942/1,868,439.96 = 750,368.88/x
  3. Step 3: Cross multiply
    1,353,942x = 1,868,439.96 × 750,368.88
  4. Step 4: Simplify right side
    1,353,942x = 1,402,019,200,132.44
  5. Step 5: Solve for x
    x = 1,402,019,200,132.44/1,353,942
  6. Step 6: Final answer
    x = 1,035,509.05

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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.