Home / 1,564,710.32-2,159,307.36-885,778.16

Finding the Fourth Proportional to 1,564,710.32, 2,159,307.36 and 885,778.16

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Solution

The fourth proportional to 1,564,710.32, 2,159,307.36 and 885,778.16 is: 1,222,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,710.32 : 2,159,307.36 = 885,778.16 : x
  2. Step 2: Convert to fraction form
    1,564,710.32/2,159,307.36 = 885,778.16/x
  3. Step 3: Cross multiply
    1,564,710.32x = 2,159,307.36 × 885,778.16
  4. Step 4: Simplify right side
    1,564,710.32x = 1,912,667,300,215.26
  5. Step 5: Solve for x
    x = 1,912,667,300,215.26/1,564,710.32
  6. Step 6: Final answer
    x = 1,222,377.89

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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.