Home / 1,249,770.20-1,724,680.23-676,808.60

Finding the Fourth Proportional to 1,249,770.20, 1,724,680.23 and 676,808.60

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Solution

The fourth proportional to 1,249,770.20, 1,724,680.23 and 676,808.60 is: 933,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,770.20 : 1,724,680.23 = 676,808.60 : x
  2. Step 2: Convert to fraction form
    1,249,770.20/1,724,680.23 = 676,808.60/x
  3. Step 3: Cross multiply
    1,249,770.20x = 1,724,680.23 × 676,808.60
  4. Step 4: Simplify right side
    1,249,770.20x = 1,167,278,411,913.98
  5. Step 5: Solve for x
    x = 1,167,278,411,913.98/1,249,770.20
  6. Step 6: Final answer
    x = 933,994.44

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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.