Home / 1,072,730.40-1,480,756.41-710,271.05

Finding the Fourth Proportional to 1,072,730.40, 1,480,756.41 and 710,271.05

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Solution

The fourth proportional to 1,072,730.40, 1,480,756.41 and 710,271.05 is: 980,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,730.40 : 1,480,756.41 = 710,271.05 : x
  2. Step 2: Convert to fraction form
    1,072,730.40/1,480,756.41 = 710,271.05/x
  3. Step 3: Cross multiply
    1,072,730.40x = 1,480,756.41 × 710,271.05
  4. Step 4: Simplify right side
    1,072,730.40x = 1,051,738,402,721.15
  5. Step 5: Solve for x
    x = 1,051,738,402,721.15/1,072,730.40
  6. Step 6: Final answer
    x = 980,431.25

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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.