Home / 1,030,024.86-1,421,901.45-663,031.68

Finding the Fourth Proportional to 1,030,024.86, 1,421,901.45 and 663,031.68

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Solution

The fourth proportional to 1,030,024.86, 1,421,901.45 and 663,031.68 is: 915,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,024.86 : 1,421,901.45 = 663,031.68 : x
  2. Step 2: Convert to fraction form
    1,030,024.86/1,421,901.45 = 663,031.68/x
  3. Step 3: Cross multiply
    1,030,024.86x = 1,421,901.45 × 663,031.68
  4. Step 4: Simplify right side
    1,030,024.86x = 942,765,707,187.94
  5. Step 5: Solve for x
    x = 942,765,707,187.94/1,030,024.86
  6. Step 6: Final answer
    x = 915,284.42

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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.