Home / 1,423,211.13-1,964,053.50-778,642.11

Finding the Fourth Proportional to 1,423,211.13, 1,964,053.50 and 778,642.11

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Solution

The fourth proportional to 1,423,211.13, 1,964,053.50 and 778,642.11 is: 1,074,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,211.13 : 1,964,053.50 = 778,642.11 : x
  2. Step 2: Convert to fraction form
    1,423,211.13/1,964,053.50 = 778,642.11/x
  3. Step 3: Cross multiply
    1,423,211.13x = 1,964,053.50 × 778,642.11
  4. Step 4: Simplify right side
    1,423,211.13x = 1,529,294,761,392.89
  5. Step 5: Solve for x
    x = 1,529,294,761,392.89/1,423,211.13
  6. Step 6: Final answer
    x = 1,074,538.22

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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.