Home / 912,436.80-1,370,498.40-881,102.40

Finding the Fourth Proportional to 912,436.80, 1,370,498.40 and 881,102.40

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Solution

The fourth proportional to 912,436.80, 1,370,498.40 and 881,102.40 is: 1,323,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,436.80 : 1,370,498.40 = 881,102.40 : x
  2. Step 2: Convert to fraction form
    912,436.80/1,370,498.40 = 881,102.40/x
  3. Step 3: Cross multiply
    912,436.80x = 1,370,498.40 × 881,102.40
  4. Step 4: Simplify right side
    912,436.80x = 1,207,549,429,436.16
  5. Step 5: Solve for x
    x = 1,207,549,429,436.16/912,436.80
  6. Step 6: Final answer
    x = 1,323,433.50

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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.