Home / 1,370,210.40-2,055,315.60-971,301.60

Finding the Fourth Proportional to 1,370,210.40, 2,055,315.60 and 971,301.60

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Solution

The fourth proportional to 1,370,210.40, 2,055,315.60 and 971,301.60 is: 1,456,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,210.40 : 2,055,315.60 = 971,301.60 : x
  2. Step 2: Convert to fraction form
    1,370,210.40/2,055,315.60 = 971,301.60/x
  3. Step 3: Cross multiply
    1,370,210.40x = 2,055,315.60 × 971,301.60
  4. Step 4: Simplify right side
    1,370,210.40x = 1,996,331,330,784.96
  5. Step 5: Solve for x
    x = 1,996,331,330,784.96/1,370,210.40
  6. Step 6: Final answer
    x = 1,456,952.40

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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.