Home / 999,821.34-1,500,235.02-401,210.28

Finding the Fourth Proportional to 999,821.34, 1,500,235.02 and 401,210.28

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Solution

The fourth proportional to 999,821.34, 1,500,235.02 and 401,210.28 is: 602,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,821.34 : 1,500,235.02 = 401,210.28 : x
  2. Step 2: Convert to fraction form
    999,821.34/1,500,235.02 = 401,210.28/x
  3. Step 3: Cross multiply
    999,821.34x = 1,500,235.02 × 401,210.28
  4. Step 4: Simplify right side
    999,821.34x = 601,909,712,440.01
  5. Step 5: Solve for x
    x = 601,909,712,440.01/999,821.34
  6. Step 6: Final answer
    x = 602,017.27

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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.