Home / 875,111.10-1,312,569.45-717,063.90

Finding the Fourth Proportional to 875,111.10, 1,312,569.45 and 717,063.90

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Solution

The fourth proportional to 875,111.10, 1,312,569.45 and 717,063.90 is: 1,075,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,111.10 : 1,312,569.45 = 717,063.90 : x
  2. Step 2: Convert to fraction form
    875,111.10/1,312,569.45 = 717,063.90/x
  3. Step 3: Cross multiply
    875,111.10x = 1,312,569.45 × 717,063.90
  4. Step 4: Simplify right side
    875,111.10x = 941,196,168,837.86
  5. Step 5: Solve for x
    x = 941,196,168,837.86/875,111.10
  6. Step 6: Final answer
    x = 1,075,516.20

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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.