Home / 1,326,458.39-1,990,108.15-473,511.76

Finding the Fourth Proportional to 1,326,458.39, 1,990,108.15 and 473,511.76

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Solution

The fourth proportional to 1,326,458.39, 1,990,108.15 and 473,511.76 is: 710,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,458.39 : 1,990,108.15 = 473,511.76 : x
  2. Step 2: Convert to fraction form
    1,326,458.39/1,990,108.15 = 473,511.76/x
  3. Step 3: Cross multiply
    1,326,458.39x = 1,990,108.15 × 473,511.76
  4. Step 4: Simplify right side
    1,326,458.39x = 942,339,606,537.79
  5. Step 5: Solve for x
    x = 942,339,606,537.79/1,326,458.39
  6. Step 6: Final answer
    x = 710,417.77

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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.