Home / 1,054,448.61-1,455,139.85-571,014.28

Finding the Fourth Proportional to 1,054,448.61, 1,455,139.85 and 571,014.28

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Solution

The fourth proportional to 1,054,448.61, 1,455,139.85 and 571,014.28 is: 788,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,448.61 : 1,455,139.85 = 571,014.28 : x
  2. Step 2: Convert to fraction form
    1,054,448.61/1,455,139.85 = 571,014.28/x
  3. Step 3: Cross multiply
    1,054,448.61x = 1,455,139.85 × 571,014.28
  4. Step 4: Simplify right side
    1,054,448.61x = 830,905,633,747.06
  5. Step 5: Solve for x
    x = 830,905,633,747.06/1,054,448.61
  6. Step 6: Final answer
    x = 788,000.12

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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.