Home / 1,627,587.60-2,442,547.80-681,637.20

Finding the Fourth Proportional to 1,627,587.60, 2,442,547.80 and 681,637.20

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Solution

The fourth proportional to 1,627,587.60, 2,442,547.80 and 681,637.20 is: 1,022,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,587.60 : 2,442,547.80 = 681,637.20 : x
  2. Step 2: Convert to fraction form
    1,627,587.60/2,442,547.80 = 681,637.20/x
  3. Step 3: Cross multiply
    1,627,587.60x = 2,442,547.80 × 681,637.20
  4. Step 4: Simplify right side
    1,627,587.60x = 1,664,931,443,258.16
  5. Step 5: Solve for x
    x = 1,664,931,443,258.16/1,627,587.60
  6. Step 6: Final answer
    x = 1,022,944.29

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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.