Home / 747,389.10-1,124,036.10-670,625.40

Finding the Fourth Proportional to 747,389.10, 1,124,036.10 and 670,625.40

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Solution

The fourth proportional to 747,389.10, 1,124,036.10 and 670,625.40 is: 1,008,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,389.10 : 1,124,036.10 = 670,625.40 : x
  2. Step 2: Convert to fraction form
    747,389.10/1,124,036.10 = 670,625.40/x
  3. Step 3: Cross multiply
    747,389.10x = 1,124,036.10 × 670,625.40
  4. Step 4: Simplify right side
    747,389.10x = 753,807,159,176.94
  5. Step 5: Solve for x
    x = 753,807,159,176.94/747,389.10
  6. Step 6: Final answer
    x = 1,008,587.31

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1.5x scale

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.