Home / 926,941.40-1,390,412.10-906,205.40

Finding the Fourth Proportional to 926,941.40, 1,390,412.10 and 906,205.40

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Solution

The fourth proportional to 926,941.40, 1,390,412.10 and 906,205.40 is: 1,359,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,941.40 : 1,390,412.10 = 906,205.40 : x
  2. Step 2: Convert to fraction form
    926,941.40/1,390,412.10 = 906,205.40/x
  3. Step 3: Cross multiply
    926,941.40x = 1,390,412.10 × 906,205.40
  4. Step 4: Simplify right side
    926,941.40x = 1,259,998,953,245.34
  5. Step 5: Solve for x
    x = 1,259,998,953,245.34/926,941.40
  6. Step 6: Final answer
    x = 1,359,308.10

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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.