Home / 1,781,980.12-2,459,244.54-977,164.12

Finding the Fourth Proportional to 1,781,980.12, 2,459,244.54 and 977,164.12

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Solution

The fourth proportional to 1,781,980.12, 2,459,244.54 and 977,164.12 is: 1,348,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,980.12 : 2,459,244.54 = 977,164.12 : x
  2. Step 2: Convert to fraction form
    1,781,980.12/2,459,244.54 = 977,164.12/x
  3. Step 3: Cross multiply
    1,781,980.12x = 2,459,244.54 × 977,164.12
  4. Step 4: Simplify right side
    1,781,980.12x = 2,403,085,526,793.90
  5. Step 5: Solve for x
    x = 2,403,085,526,793.90/1,781,980.12
  6. Step 6: Final answer
    x = 1,348,547.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.