Home / 1,528,462.58-2,108,740.37-916,813.35

Finding the Fourth Proportional to 1,528,462.58, 2,108,740.37 and 916,813.35

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Solution

The fourth proportional to 1,528,462.58, 2,108,740.37 and 916,813.35 is: 1,264,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,462.58 : 2,108,740.37 = 916,813.35 : x
  2. Step 2: Convert to fraction form
    1,528,462.58/2,108,740.37 = 916,813.35/x
  3. Step 3: Cross multiply
    1,528,462.58x = 2,108,740.37 × 916,813.35
  4. Step 4: Simplify right side
    1,528,462.58x = 1,933,321,318,315.87
  5. Step 5: Solve for x
    x = 1,933,321,318,315.87/1,528,462.58
  6. Step 6: Final answer
    x = 1,264,879.72

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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.