Home / 912,438.80-1,370,501.40-881,104.40

Finding the Fourth Proportional to 912,438.80, 1,370,501.40 and 881,104.40

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Solution

The fourth proportional to 912,438.80, 1,370,501.40 and 881,104.40 is: 1,323,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,438.80 : 1,370,501.40 = 881,104.40 : x
  2. Step 2: Convert to fraction form
    912,438.80/1,370,501.40 = 881,104.40/x
  3. Step 3: Cross multiply
    912,438.80x = 1,370,501.40 × 881,104.40
  4. Step 4: Simplify right side
    912,438.80x = 1,207,554,813,746.16
  5. Step 5: Solve for x
    x = 1,207,554,813,746.16/912,438.80
  6. Step 6: Final answer
    x = 1,323,436.50

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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.