Home / 1,054,999.32-1,455,899.40-571,567.80

Finding the Fourth Proportional to 1,054,999.32, 1,455,899.40 and 571,567.80

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Solution

The fourth proportional to 1,054,999.32, 1,455,899.40 and 571,567.80 is: 788,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,999.32 : 1,455,899.40 = 571,567.80 : x
  2. Step 2: Convert to fraction form
    1,054,999.32/1,455,899.40 = 571,567.80/x
  3. Step 3: Cross multiply
    1,054,999.32x = 1,455,899.40 × 571,567.80
  4. Step 4: Simplify right side
    1,054,999.32x = 832,145,217,079.32
  5. Step 5: Solve for x
    x = 832,145,217,079.32/1,054,999.32
  6. Step 6: Final answer
    x = 788,763.75

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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.