Home / 1,054,985-1,455,879.30-578,046.76

Finding the Fourth Proportional to 1,054,985, 1,455,879.30 and 578,046.76

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Solution

The fourth proportional to 1,054,985, 1,455,879.30 and 578,046.76 is: 797,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,985 : 1,455,879.30 = 578,046.76 : x
  2. Step 2: Convert to fraction form
    1,054,985/1,455,879.30 = 578,046.76/x
  3. Step 3: Cross multiply
    1,054,985x = 1,455,879.30 × 578,046.76
  4. Step 4: Simplify right side
    1,054,985x = 841,566,312,316.07
  5. Step 5: Solve for x
    x = 841,566,312,316.07/1,054,985
  6. Step 6: Final answer
    x = 797,704.53

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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.