Home / 983,390.40-1,475,431.20-948,830.40

Finding the Fourth Proportional to 983,390.40, 1,475,431.20 and 948,830.40

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Solution

The fourth proportional to 983,390.40, 1,475,431.20 and 948,830.40 is: 1,423,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,390.40 : 1,475,431.20 = 948,830.40 : x
  2. Step 2: Convert to fraction form
    983,390.40/1,475,431.20 = 948,830.40/x
  3. Step 3: Cross multiply
    983,390.40x = 1,475,431.20 × 948,830.40
  4. Step 4: Simplify right side
    983,390.40x = 1,399,933,975,668.48
  5. Step 5: Solve for x
    x = 1,399,933,975,668.48/983,390.40
  6. Step 6: Final answer
    x = 1,423,579.05

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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.