Home / 1,406,031.02-1,940,312.46-761,436.26

Finding the Fourth Proportional to 1,406,031.02, 1,940,312.46 and 761,436.26

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Solution

The fourth proportional to 1,406,031.02, 1,940,312.46 and 761,436.26 is: 1,050,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,031.02 : 1,940,312.46 = 761,436.26 : x
  2. Step 2: Convert to fraction form
    1,406,031.02/1,940,312.46 = 761,436.26/x
  3. Step 3: Cross multiply
    1,406,031.02x = 1,940,312.46 × 761,436.26
  4. Step 4: Simplify right side
    1,406,031.02x = 1,477,424,262,773.80
  5. Step 5: Solve for x
    x = 1,477,424,262,773.80/1,406,031.02
  6. Step 6: Final answer
    x = 1,050,776.44

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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.