Home / 912,432.80-1,370,492.40-881,098.40

Finding the Fourth Proportional to 912,432.80, 1,370,492.40 and 881,098.40

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Solution

The fourth proportional to 912,432.80, 1,370,492.40 and 881,098.40 is: 1,323,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,432.80 : 1,370,492.40 = 881,098.40 : x
  2. Step 2: Convert to fraction form
    912,432.80/1,370,492.40 = 881,098.40/x
  3. Step 3: Cross multiply
    912,432.80x = 1,370,492.40 × 881,098.40
  4. Step 4: Simplify right side
    912,432.80x = 1,207,538,660,852.16
  5. Step 5: Solve for x
    x = 1,207,538,660,852.16/912,432.80
  6. Step 6: Final answer
    x = 1,323,427.50

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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.