Home / 1,230,547.80-1,845,821.70-1,118,354.70

Finding the Fourth Proportional to 1,230,547.80, 1,845,821.70 and 1,118,354.70

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Solution

The fourth proportional to 1,230,547.80, 1,845,821.70 and 1,118,354.70 is: 1,677,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,547.80 : 1,845,821.70 = 1,118,354.70 : x
  2. Step 2: Convert to fraction form
    1,230,547.80/1,845,821.70 = 1,118,354.70/x
  3. Step 3: Cross multiply
    1,230,547.80x = 1,845,821.70 × 1,118,354.70
  4. Step 4: Simplify right side
    1,230,547.80x = 2,064,283,373,556.99
  5. Step 5: Solve for x
    x = 2,064,283,373,556.99/1,230,547.80
  6. Step 6: Final answer
    x = 1,677,532.05

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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.