Home / 1,222,303.11-1,686,779.36-732,557.08

Finding the Fourth Proportional to 1,222,303.11, 1,686,779.36 and 732,557.08

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Solution

The fourth proportional to 1,222,303.11, 1,686,779.36 and 732,557.08 is: 1,010,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,303.11 : 1,686,779.36 = 732,557.08 : x
  2. Step 2: Convert to fraction form
    1,222,303.11/1,686,779.36 = 732,557.08/x
  3. Step 3: Cross multiply
    1,222,303.11x = 1,686,779.36 × 732,557.08
  4. Step 4: Simplify right side
    1,222,303.11x = 1,235,662,162,565.87
  5. Step 5: Solve for x
    x = 1,235,662,162,565.87/1,222,303.11
  6. Step 6: Final answer
    x = 1,010,929.41

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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.