Home / 1,078,210.83-1,488,409.07-696,423.81

Finding the Fourth Proportional to 1,078,210.83, 1,488,409.07 and 696,423.81

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Solution

The fourth proportional to 1,078,210.83, 1,488,409.07 and 696,423.81 is: 961,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,210.83 : 1,488,409.07 = 696,423.81 : x
  2. Step 2: Convert to fraction form
    1,078,210.83/1,488,409.07 = 696,423.81/x
  3. Step 3: Cross multiply
    1,078,210.83x = 1,488,409.07 × 696,423.81
  4. Step 4: Simplify right side
    1,078,210.83x = 1,036,563,511,885.84
  5. Step 5: Solve for x
    x = 1,036,563,511,885.84/1,078,210.83
  6. Step 6: Final answer
    x = 961,373.68

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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.