Home / 1,689,055.19-2,330,897.40-914,692.13

Finding the Fourth Proportional to 1,689,055.19, 2,330,897.40 and 914,692.13

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Solution

The fourth proportional to 1,689,055.19, 2,330,897.40 and 914,692.13 is: 1,262,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,055.19 : 2,330,897.40 = 914,692.13 : x
  2. Step 2: Convert to fraction form
    1,689,055.19/2,330,897.40 = 914,692.13/x
  3. Step 3: Cross multiply
    1,689,055.19x = 2,330,897.40 × 914,692.13
  4. Step 4: Simplify right side
    1,689,055.19x = 2,132,053,495,962.98
  5. Step 5: Solve for x
    x = 2,132,053,495,962.98/1,689,055.19
  6. Step 6: Final answer
    x = 1,262,275.81

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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.