Home / 1,406,460.98-1,940,916.02-761,881.02

Finding the Fourth Proportional to 1,406,460.98, 1,940,916.02 and 761,881.02

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Solution

The fourth proportional to 1,406,460.98, 1,940,916.02 and 761,881.02 is: 1,051,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,460.98 : 1,940,916.02 = 761,881.02 : x
  2. Step 2: Convert to fraction form
    1,406,460.98/1,940,916.02 = 761,881.02/x
  3. Step 3: Cross multiply
    1,406,460.98x = 1,940,916.02 × 761,881.02
  4. Step 4: Simplify right side
    1,406,460.98x = 1,478,747,073,242.54
  5. Step 5: Solve for x
    x = 1,478,747,073,242.54/1,406,460.98
  6. Step 6: Final answer
    x = 1,051,395.74

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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.