Home / 1,078,293.65-1,487,777.76-710,730.05

Finding the Fourth Proportional to 1,078,293.65, 1,487,777.76 and 710,730.05

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Solution

The fourth proportional to 1,078,293.65, 1,487,777.76 and 710,730.05 is: 980,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,293.65 : 1,487,777.76 = 710,730.05 : x
  2. Step 2: Convert to fraction form
    1,078,293.65/1,487,777.76 = 710,730.05/x
  3. Step 3: Cross multiply
    1,078,293.65x = 1,487,777.76 × 710,730.05
  4. Step 4: Simplify right side
    1,078,293.65x = 1,057,408,354,314.80
  5. Step 5: Solve for x
    x = 1,057,408,354,314.80/1,078,293.65
  6. Step 6: Final answer
    x = 980,631.17

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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.