Home / 1,021,491.50-1,531,671.06-473,786.51

Finding the Fourth Proportional to 1,021,491.50, 1,531,671.06 and 473,786.51

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Solution

The fourth proportional to 1,021,491.50, 1,531,671.06 and 473,786.51 is: 710,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,491.50 : 1,531,671.06 = 473,786.51 : x
  2. Step 2: Convert to fraction form
    1,021,491.50/1,531,671.06 = 473,786.51/x
  3. Step 3: Cross multiply
    1,021,491.50x = 1,531,671.06 × 473,786.51
  4. Step 4: Simplify right side
    1,021,491.50x = 725,685,085,985.40
  5. Step 5: Solve for x
    x = 725,685,085,985.40/1,021,491.50
  6. Step 6: Final answer
    x = 710,417.16

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.