Home / 841,270.02-1,260,855.27-420,666.18

Finding the Fourth Proportional to 841,270.02, 1,260,855.27 and 420,666.18

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Solution

The fourth proportional to 841,270.02, 1,260,855.27 and 420,666.18 is: 630,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,270.02 : 1,260,855.27 = 420,666.18 : x
  2. Step 2: Convert to fraction form
    841,270.02/1,260,855.27 = 420,666.18/x
  3. Step 3: Cross multiply
    841,270.02x = 1,260,855.27 × 420,666.18
  4. Step 4: Simplify right side
    841,270.02x = 530,399,169,963.77
  5. Step 5: Solve for x
    x = 530,399,169,963.77/841,270.02
  6. Step 6: Final answer
    x = 630,474.35

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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.