Home / 1,386,169-1,912,918.98-750,265

Finding the Fourth Proportional to 1,386,169, 1,912,918.98 and 750,265

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Solution

The fourth proportional to 1,386,169, 1,912,918.98 and 750,265 is: 1,035,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,169 : 1,912,918.98 = 750,265 : x
  2. Step 2: Convert to fraction form
    1,386,169/1,912,918.98 = 750,265/x
  3. Step 3: Cross multiply
    1,386,169x = 1,912,918.98 × 750,265
  4. Step 4: Simplify right side
    1,386,169x = 1,435,196,158,529.70
  5. Step 5: Solve for x
    x = 1,435,196,158,529.70/1,386,169
  6. Step 6: Final answer
    x = 1,035,368.82

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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.