Home / 972,031.40-1,458,047.10-912,982.40

Finding the Fourth Proportional to 972,031.40, 1,458,047.10 and 912,982.40

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Solution

The fourth proportional to 972,031.40, 1,458,047.10 and 912,982.40 is: 1,369,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,031.40 : 1,458,047.10 = 912,982.40 : x
  2. Step 2: Convert to fraction form
    972,031.40/1,458,047.10 = 912,982.40/x
  3. Step 3: Cross multiply
    972,031.40x = 1,458,047.10 × 912,982.40
  4. Step 4: Simplify right side
    972,031.40x = 1,331,171,340,671.04
  5. Step 5: Solve for x
    x = 1,331,171,340,671.04/972,031.40
  6. Step 6: Final answer
    x = 1,369,473.60

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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.