Home / 1,748,465.60-2,621,920.80-802,126.40

Finding the Fourth Proportional to 1,748,465.60, 2,621,920.80 and 802,126.40

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Solution

The fourth proportional to 1,748,465.60, 2,621,920.80 and 802,126.40 is: 1,202,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,465.60 : 2,621,920.80 = 802,126.40 : x
  2. Step 2: Convert to fraction form
    1,748,465.60/2,621,920.80 = 802,126.40/x
  3. Step 3: Cross multiply
    1,748,465.60x = 2,621,920.80 × 802,126.40
  4. Step 4: Simplify right side
    1,748,465.60x = 2,103,111,892,389.12
  5. Step 5: Solve for x
    x = 2,103,111,892,389.12/1,748,465.60
  6. Step 6: Final answer
    x = 1,202,832.87

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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.