Home / 1,292,038.98-1,937,910.59-345,483.51

Finding the Fourth Proportional to 1,292,038.98, 1,937,910.59 and 345,483.51

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Solution

The fourth proportional to 1,292,038.98, 1,937,910.59 and 345,483.51 is: 518,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,038.98 : 1,937,910.59 = 345,483.51 : x
  2. Step 2: Convert to fraction form
    1,292,038.98/1,937,910.59 = 345,483.51/x
  3. Step 3: Cross multiply
    1,292,038.98x = 1,937,910.59 × 345,483.51
  4. Step 4: Simplify right side
    1,292,038.98x = 669,516,153,563.08
  5. Step 5: Solve for x
    x = 669,516,153,563.08/1,292,038.98
  6. Step 6: Final answer
    x = 518,185.72

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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.