Home / 1,406,479.06-1,940,946.28-761,897.72

Finding the Fourth Proportional to 1,406,479.06, 1,940,946.28 and 761,897.72

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Solution

The fourth proportional to 1,406,479.06, 1,940,946.28 and 761,897.72 is: 1,051,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,479.06 : 1,940,946.28 = 761,897.72 : x
  2. Step 2: Convert to fraction form
    1,406,479.06/1,940,946.28 = 761,897.72/x
  3. Step 3: Cross multiply
    1,406,479.06x = 1,940,946.28 × 761,897.72
  4. Step 4: Simplify right side
    1,406,479.06x = 1,478,802,545,374.48
  5. Step 5: Solve for x
    x = 1,478,802,545,374.48/1,406,479.06
  6. Step 6: Final answer
    x = 1,051,421.66

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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.