Home / 1,249,401.76-1,724,171.92-676,442.40

Finding the Fourth Proportional to 1,249,401.76, 1,724,171.92 and 676,442.40

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Solution

The fourth proportional to 1,249,401.76, 1,724,171.92 and 676,442.40 is: 933,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,401.76 : 1,724,171.92 = 676,442.40 : x
  2. Step 2: Convert to fraction form
    1,249,401.76/1,724,171.92 = 676,442.40/x
  3. Step 3: Cross multiply
    1,249,401.76x = 1,724,171.92 × 676,442.40
  4. Step 4: Simplify right side
    1,249,401.76x = 1,166,302,991,577.41
  5. Step 5: Solve for x
    x = 1,166,302,991,577.41/1,249,401.76
  6. Step 6: Final answer
    x = 933,489.15

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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.