Home / 1,029,897.17-1,421,257.55-571,010.50

Finding the Fourth Proportional to 1,029,897.17, 1,421,257.55 and 571,010.50

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Solution

The fourth proportional to 1,029,897.17, 1,421,257.55 and 571,010.50 is: 787,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,897.17 : 1,421,257.55 = 571,010.50 : x
  2. Step 2: Convert to fraction form
    1,029,897.17/1,421,257.55 = 571,010.50/x
  3. Step 3: Cross multiply
    1,029,897.17x = 1,421,257.55 × 571,010.50
  4. Step 4: Simplify right side
    1,029,897.17x = 811,552,984,254.28
  5. Step 5: Solve for x
    x = 811,552,984,254.28/1,029,897.17
  6. Step 6: Final answer
    x = 787,994.19

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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.