Home / 1,031,868.40-1,547,802.60-990,534.10

Finding the Fourth Proportional to 1,031,868.40, 1,547,802.60 and 990,534.10

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Solution

The fourth proportional to 1,031,868.40, 1,547,802.60 and 990,534.10 is: 1,485,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,868.40 : 1,547,802.60 = 990,534.10 : x
  2. Step 2: Convert to fraction form
    1,031,868.40/1,547,802.60 = 990,534.10/x
  3. Step 3: Cross multiply
    1,031,868.40x = 1,547,802.60 × 990,534.10
  4. Step 4: Simplify right side
    1,031,868.40x = 1,533,151,255,368.66
  5. Step 5: Solve for x
    x = 1,533,151,255,368.66/1,031,868.40
  6. Step 6: Final answer
    x = 1,485,801.15

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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.