Home / 1,249,768.32-1,724,677.65-676,806.72

Finding the Fourth Proportional to 1,249,768.32, 1,724,677.65 and 676,806.72

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Solution

The fourth proportional to 1,249,768.32, 1,724,677.65 and 676,806.72 is: 933,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,768.32 : 1,724,677.65 = 676,806.72 : x
  2. Step 2: Convert to fraction form
    1,249,768.32/1,724,677.65 = 676,806.72/x
  3. Step 3: Cross multiply
    1,249,768.32x = 1,724,677.65 × 676,806.72
  4. Step 4: Simplify right side
    1,249,768.32x = 1,167,273,423,353.81
  5. Step 5: Solve for x
    x = 1,167,273,423,353.81/1,249,768.32
  6. Step 6: Final answer
    x = 933,991.85

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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.