Home / 1,113,140.16-1,535,643.84-750,431.52

Finding the Fourth Proportional to 1,113,140.16, 1,535,643.84 and 750,431.52

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Solution

The fourth proportional to 1,113,140.16, 1,535,643.84 and 750,431.52 is: 1,035,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,140.16 : 1,535,643.84 = 750,431.52 : x
  2. Step 2: Convert to fraction form
    1,113,140.16/1,535,643.84 = 750,431.52/x
  3. Step 3: Cross multiply
    1,113,140.16x = 1,535,643.84 × 750,431.52
  4. Step 4: Simplify right side
    1,113,140.16x = 1,152,395,541,029.84
  5. Step 5: Solve for x
    x = 1,152,395,541,029.84/1,113,140.16
  6. Step 6: Final answer
    x = 1,035,265.44

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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.