Finding the Fourth Proportional to 1,358,957.80, 1,875,313.95 and 747,106.13
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Solution
The fourth proportional to 1,358,957.80, 1,875,313.95 and 747,106.13 is: 1,030,980.17
Step by Step Solution
- Step 1: Write the proportion equation
1,358,957.80 : 1,875,313.95 = 747,106.13 : x - Step 2: Convert to fraction form
1,358,957.80/1,875,313.95 = 747,106.13/x - Step 3: Cross multiply
1,358,957.80x = 1,875,313.95 × 747,106.13 - Step 4: Simplify right side
1,358,957.80x = 1,401,058,547,719.51 - Step 5: Solve for x
x = 1,401,058,547,719.51/1,358,957.80 - Step 6: Final answer
x = 1,030,980.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.