Home / 1,139,395.48-1,709,091.06-429,582.76

Finding the Fourth Proportional to 1,139,395.48, 1,709,091.06 and 429,582.76

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Solution

The fourth proportional to 1,139,395.48, 1,709,091.06 and 429,582.76 is: 644,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,395.48 : 1,709,091.06 = 429,582.76 : x
  2. Step 2: Convert to fraction form
    1,139,395.48/1,709,091.06 = 429,582.76/x
  3. Step 3: Cross multiply
    1,139,395.48x = 1,709,091.06 × 429,582.76
  4. Step 4: Simplify right side
    1,139,395.48x = 734,196,054,646.13
  5. Step 5: Solve for x
    x = 734,196,054,646.13/1,139,395.48
  6. Step 6: Final answer
    x = 644,373.33

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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.