Home / 1,353,969.14-1,868,492.16-742,108.50

Finding the Fourth Proportional to 1,353,969.14, 1,868,492.16 and 742,108.50

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Solution

The fourth proportional to 1,353,969.14, 1,868,492.16 and 742,108.50 is: 1,024,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,969.14 : 1,868,492.16 = 742,108.50 : x
  2. Step 2: Convert to fraction form
    1,353,969.14/1,868,492.16 = 742,108.50/x
  3. Step 3: Cross multiply
    1,353,969.14x = 1,868,492.16 × 742,108.50
  4. Step 4: Simplify right side
    1,353,969.14x = 1,386,623,914,119.36
  5. Step 5: Solve for x
    x = 1,386,623,914,119.36/1,353,969.14
  6. Step 6: Final answer
    x = 1,024,117.82

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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.