Home / 1,110,779.01-1,666,225.58-312,122.84

Finding the Fourth Proportional to 1,110,779.01, 1,666,225.58 and 312,122.84

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Solution

The fourth proportional to 1,110,779.01, 1,666,225.58 and 312,122.84 is: 468,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,779.01 : 1,666,225.58 = 312,122.84 : x
  2. Step 2: Convert to fraction form
    1,110,779.01/1,666,225.58 = 312,122.84/x
  3. Step 3: Cross multiply
    1,110,779.01x = 1,666,225.58 × 312,122.84
  4. Step 4: Simplify right side
    1,110,779.01x = 520,067,050,218.51
  5. Step 5: Solve for x
    x = 520,067,050,218.51/1,110,779.01
  6. Step 6: Final answer
    x = 468,200.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.