Home / 1,606,703.51-2,217,250.67-918,390.08

Finding the Fourth Proportional to 1,606,703.51, 2,217,250.67 and 918,390.08

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Solution

The fourth proportional to 1,606,703.51, 2,217,250.67 and 918,390.08 is: 1,267,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,703.51 : 2,217,250.67 = 918,390.08 : x
  2. Step 2: Convert to fraction form
    1,606,703.51/2,217,250.67 = 918,390.08/x
  3. Step 3: Cross multiply
    1,606,703.51x = 2,217,250.67 × 918,390.08
  4. Step 4: Simplify right side
    1,606,703.51x = 2,036,301,021,152.53
  5. Step 5: Solve for x
    x = 2,036,301,021,152.53/1,606,703.51
  6. Step 6: Final answer
    x = 1,267,378.21

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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.