Home / 1,249,875.90-1,871,861.40-848,342.70

Finding the Fourth Proportional to 1,249,875.90, 1,871,861.40 and 848,342.70

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Solution

The fourth proportional to 1,249,875.90, 1,871,861.40 and 848,342.70 is: 1,270,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,875.90 : 1,871,861.40 = 848,342.70 : x
  2. Step 2: Convert to fraction form
    1,249,875.90/1,871,861.40 = 848,342.70/x
  3. Step 3: Cross multiply
    1,249,875.90x = 1,871,861.40 × 848,342.70
  4. Step 4: Simplify right side
    1,249,875.90x = 1,587,979,954,101.78
  5. Step 5: Solve for x
    x = 1,587,979,954,101.78/1,249,875.90
  6. Step 6: Final answer
    x = 1,270,510.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.